qr code support

425 files changed, 10416 insertions, 0 deletions

diff --git a/library/phpqrcode/CHANGELOG b/library/phpqrcode/CHANGELOG
new file mode 100644
index 000000000..1088530c3
--- /dev/null
+++ b/library/phpqrcode/CHANGELOG
@@ -0,0 +1,38 @@
+* 1.0.0 build 2010031920 

+

+  - first public release

+  - help in readme, install

+  - cleanup ans separation of QRtools and QRspec

+  - now TCPDF binding requires minimal changes in TCPDF, having most of job

+    done in QRtools tcpdfBarcodeArray

+  - nicer QRtools::timeBenchmark output

+  - license and copyright notices in files

+  - indent cleanup - from tab to 4spc, keep it that way please :)

+  - sf project, repository, wiki

+  - simple code generator in index.php

+  

+* 1.1.0 build 2010032113

+

+  - added merge tool wich generate merged version of code

+    located in phpqrcode.php

+  - splited qrconst.php from qrlib.php

+  

+* 1.1.1 build 2010032405

+

+  - patch by Rick Seymour allowing saving PNG and displaying it at the same time

+  - added version info in VERSION file

+  - modified merge tool to include version info into generated file

+  - fixed e-mail in almost all head comments

+  

+* 1.1.2 build 2010032722

+

+  - full integration with TCPDF thanks to Nicola Asuni, it's author

+  - fixed bug with alphanumeric encoding detection

+  

+* 1.1.3 build 2010081807

+

+  - short opening tags replaced with standard ones

+  

+* 1.1.4 build 2010100721

+

+  - added missing static keyword QRinput::check (found by Luke Brookhart, Onjax LLC)

diff --git a/library/phpqrcode/INSTALL b/library/phpqrcode/INSTALL
new file mode 100644
index 000000000..eac6b072b
--- /dev/null
+++ b/library/phpqrcode/INSTALL
@@ -0,0 +1,67 @@
+== REQUIREMENTS ==

+

+ * PHP5

+ * PHP GD2 extension with JPEG and PNG support

+ 

+== INSTALLATION ==

+

+If you want to recreate cache by yourself make sure cache directory is

+writable and you have permisions to write into it. Also make sure you are

+able to read files in it if you have cache option enabled

+ 

+== CONFIGURATION ==

+

+Feel free to modify config constants in qrconfig.php file. Read about it in

+provided comments and project wiki page (links in README file)

+

+== QUICK START ==

+

+Notice: probably you should'nt use all of this in same script :)

+

+<?phpb

+

+//include only that one, rest required files will be included from it

+include "qrlib.php"

+

+//write code into file, Error corection lecer is lowest, L (one form: L,M,Q,H)

+//each code square will be 4x4 pixels (4x zoom)

+//code will have 2 code squares white boundary around 

+

+QRcode::png('PHP QR Code :)', 'test.png', 'L', 4, 2);

+

+//same as above but outputs file directly into browser (with appr. header etc.)

+//all other settings are default

+//WARNING! it should be FIRST and ONLY output generated by script, otherwise

+//rest of output will land inside PNG binary, breaking it for sure

+QRcode::png('PHP QR Code :)');

+

+//show benchmark

+QRtools::timeBenchmark();

+

+//rebuild cache

+QRtools::buildCache();

+

+//code generated in text mode - as a binary table

+//then displayed out as HTML using Unicode block building chars :)

+$tab = $qr->encode('PHP QR Code :)');

+QRspec::debug($tab, true);

+

+== TCPDF INTEGRATION ==

+

+Inside bindings/tcpdf you will find slightly modified 2dbarcodes.php.

+Instal phpqrcode liblaty inside tcpdf folder, then overwrite (or merge)

+2dbarcodes.php 

+

+Then use similar as example #50 from TCPDF examples:

+

+<?php

+

+$style = array(

+    'border' => true,

+    'padding' => 4,

+    'fgcolor' => array(0,0,0),

+    'bgcolor' => false, //array(255,255,255)

+);

+

+//code name: QR, specify error correction level after semicolon (L,M,Q,H)

+$pdf->write2DBarcode('PHP QR Code :)', 'QR,L', '', '', 30, 30, $style, 'N');

diff --git a/library/phpqrcode/LICENSE b/library/phpqrcode/LICENSE
new file mode 100644
index 000000000..188330326
--- /dev/null
+++ b/library/phpqrcode/LICENSE
@@ -0,0 +1,165 @@
+                  GNU LESSER GENERAL PUBLIC LICENSE

+                       Version 3, 29 June 2007

+

+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>

+ Everyone is permitted to copy and distribute verbatim copies

+ of this license document, but changing it is not allowed.

+

+

+  This version of the GNU Lesser General Public License incorporates

+the terms and conditions of version 3 of the GNU General Public

+License, supplemented by the additional permissions listed below.

+

+  0. Additional Definitions.

+

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+General Public License, and the "GNU GPL" refers to version 3 of the GNU

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+

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diff --git a/library/phpqrcode/README b/library/phpqrcode/README
new file mode 100644
index 000000000..a022fb5e7
--- /dev/null
+++ b/library/phpqrcode/README
@@ -0,0 +1,45 @@
+This is PHP implementation of QR Code 2-D barcode generator. It is pure-php

+LGPL-licensed implementation based on C libqrencode by Kentaro Fukuchi.

+

+== LICENSING ==

+

+Copyright (C) 2010 by Dominik Dzienia 

+

+This library is free software; you can redistribute it and/or modify it under

+the terms of the GNU Lesser General Public License as published by the Free

+Software Foundation; either version 3 of the License, or any later version.

+

+This library is distributed in the hope that it will be useful, but WITHOUT ANY

+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A

+PARTICULAR PURPOSE. See the GNU Lesser General Public License (LICENSE file)

+for more details.

+

+You should have received a copy of the GNU Lesser General Public License along

+with this library; if not, write to the Free Software Foundation, Inc., 51

+Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+

+== INSTALATION AND USAGE ==

+

+ * INSTALL file

+ * http://sourceforge.net/apps/mediawiki/phpqrcode/index.php?title=Main_Page

+

+== CONTACT ==

+

+Fell free to contact me via e-mail (deltalab at poczta dot fm) or using

+folowing project pages:

+

+ * http://sourceforge.net/projects/phpqrcode/

+ * http://phpqrcode.sourceforge.net/

+  

+== ACKNOWLEDGMENTS ==

+

+Based on C libqrencode library (ver. 3.1.1) 

+Copyright (C) 2006-2010 by Kentaro Fukuchi

+http://megaui.net/fukuchi/works/qrencode/index.en.html

+

+QR Code is registered trademarks of DENSO WAVE INCORPORATED in JAPAN and other

+countries.

+

+Reed-Solomon code encoder is written by Phil Karn, KA9Q.

+Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q

+ 
\ No newline at end of file
diff --git a/library/phpqrcode/VERSION b/library/phpqrcode/VERSION
new file mode 100644
index 000000000..9f99279ea
--- /dev/null
+++ b/library/phpqrcode/VERSION
@@ -0,0 +1,2 @@
+1.1.4

+2010100721
\ No newline at end of file
diff --git a/library/phpqrcode/bindings/tcpdf/qrcode.php b/library/phpqrcode/bindings/tcpdf/qrcode.php
new file mode 100644
index 000000000..7995460b5
--- /dev/null
+++ b/library/phpqrcode/bindings/tcpdf/qrcode.php
@@ -0,0 +1,2875 @@
+<?php
+//============================================================+
+// File name   : qrcode.php
+// Begin       : 2010-03-22
+// Last Update : 2010-03-29
+// Version     : 1.0.002
+// License     : GNU LGPL v.3 (http://www.gnu.org/copyleft/lesser.html)
+// 	----------------------------------------------------------------------------
+//
+// 	This library is free software; you can redistribute it and/or
+// 	modify it under the terms of the GNU Lesser General Public
+// 	License as published by the Free Software Foundation; either
+// 	version 3 of the License, or any later version.
+//
+// 	This library is distributed in the hope that it will be useful,
+// 	but WITHOUT ANY WARRANTY; without even the implied warranty of
+// 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// 	Lesser General Public License for more details.
+//
+// 	You should have received a copy of the GNU Lesser General Public
+// 	License along with this library; if not, write to the Free Software
+// 	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+//  or browse http://www.gnu.org/copyleft/lesser.html
+//
+//  ----------------------------------------------------------------------------
+//
+// DESCRIPTION :
+//
+// Class to create QR-code arrays for TCPDF class.
+// QR Code symbol is a 2D barcode that can be scanned by
+// handy terminals such as a mobile phone with CCD.
+// The capacity of QR Code is up to 7000 digits or 4000
+// characters, and has high robustness.
+// This class supports QR Code model 2, described in
+// JIS (Japanese Industrial Standards) X0510:2004
+// or ISO/IEC 18004.
+// Currently the following features are not supported:
+// ECI and FNC1 mode, Micro QR Code, QR Code model 1,
+// Structured mode.
+//
+// This class is derived from the following projects:
+// ---------------------------------------------------------
+// "PHP QR Code encoder"
+// License: GNU-LGPLv3
+// Copyright (C) 2010 by Dominik Dzienia <deltalab at poczta dot fm>
+// http://phpqrcode.sourceforge.net/
+// https://sourceforge.net/projects/phpqrcode/
+//
+// The "PHP QR Code encoder" is based on
+// "C libqrencode library" (ver. 3.1.1)
+// License: GNU-LGPL 2.1
+// Copyright (C) 2006-2010 by Kentaro Fukuchi
+// http://megaui.net/fukuchi/works/qrencode/index.en.html
+//
+// Reed-Solomon code encoder is written by Phil Karn, KA9Q.
+// Copyright (C) 2002-2006 Phil Karn, KA9Q
+//
+// QR Code is registered trademark of DENSO WAVE INCORPORATED
+// http://www.denso-wave.com/qrcode/index-e.html
+// ---------------------------------------------------------
+//
+// Author: Nicola Asuni
+//
+// (c) Copyright 2010:
+//               Nicola Asuni
+//               Tecnick.com S.r.l.
+//               Via della Pace, 11
+//               09044 Quartucciu (CA)
+//               ITALY
+//               www.tecnick.com
+//               info@tecnick.com
+//============================================================+
+
+/**
+ * Class to create QR-code arrays for TCPDF class.
+ * QR Code symbol is a 2D barcode that can be scanned by handy terminals such as a mobile phone with CCD.
+ * The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness.
+ * This class supports QR Code model 2, described in JIS (Japanese Industrial Standards) X0510:2004 or ISO/IEC 18004.
+ * Currently the following features are not supported: ECI and FNC1 mode, Micro QR Code, QR Code model 1, Structured mode.
+ *
+ * This class is derived from "PHP QR Code encoder" by Dominik Dzienia (http://phpqrcode.sourceforge.net/) based on "libqrencode C library 3.1.1." by Kentaro Fukuchi (http://megaui.net/fukuchi/works/qrencode/index.en.html), contains Reed-Solomon code written by Phil Karn, KA9Q. QR Code is registered trademark of DENSO WAVE INCORPORATED (http://www.denso-wave.com/qrcode/index-e.html).
+ * Please read comments on this class source file for full copyright and license information.
+ *
+ * @package com.tecnick.tcpdf
+ * @abstract Class for generating QR-code array for TCPDF.
+ * @author Nicola Asuni
+ * @copyright 2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
+ * @link http://www.tcpdf.org
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL
+ * @version 1.0.002
+ */
+
+// definitions
+if (!defined('QRCODEDEFS')) {
+
+	/**
+	 * Indicate that definitions for this class are set
+	 */
+	define('QRCODEDEFS', true);
+
+	// -----------------------------------------------------
+
+	// Encoding modes (characters which can be encoded in QRcode)
+
+	/**
+	 * Encoding mode
+	 */
+	define('QR_MODE_NL', -1);
+
+	/**
+	 * Encoding mode numeric (0-9). 3 characters are encoded to 10bit length. In theory, 7089 characters or less can be stored in a QRcode.
+	 */
+	define('QR_MODE_NM', 0);
+
+	/**
+	 * Encoding mode alphanumeric (0-9A-Z $%*+-./:) 45characters. 2 characters are encoded to 11bit length. In theory, 4296 characters or less can be stored in a QRcode.
+	 */
+	define('QR_MODE_AN', 1);
+
+	/**
+	 * Encoding mode 8bit byte data. In theory, 2953 characters or less can be stored in a QRcode.
+	 */
+	define('QR_MODE_8B', 2);
+
+	/**
+	 * Encoding mode KANJI. A KANJI character (multibyte character) is encoded to 13bit length. In theory, 1817 characters or less can be stored in a QRcode.
+	 */
+	define('QR_MODE_KJ', 3);
+
+	/**
+	 * Encoding mode STRUCTURED (currently unsupported)
+	 */
+	define('QR_MODE_ST', 4);
+
+	// -----------------------------------------------------
+
+	// Levels of error correction.
+	// QRcode has a function of an error correcting for miss reading that white is black.
+	// Error correcting is defined in 4 level as below.
+
+	/**
+	 * Error correction level L : About 7% or less errors can be corrected.
+	 */
+	define('QR_ECLEVEL_L', 0);
+
+	/**
+	 * Error correction level M : About 15% or less errors can be corrected.
+	 */
+	define('QR_ECLEVEL_M', 1);
+
+	/**
+	 * Error correction level Q : About 25% or less errors can be corrected.
+	 */
+	define('QR_ECLEVEL_Q', 2);
+
+	/**
+	 * Error correction level H : About 30% or less errors can be corrected.
+	 */
+	define('QR_ECLEVEL_H', 3);
+
+	// -----------------------------------------------------
+
+	// Version. Size of QRcode is defined as version.
+	// Version is from 1 to 40.
+	// Version 1 is 21*21 matrix. And 4 modules increases whenever 1 version increases.
+	// So version 40 is 177*177 matrix.
+
+	/**
+	 * Maximum QR Code version.
+	 */
+	define('QRSPEC_VERSION_MAX', 40);
+
+	/**
+	 * Maximum matrix size for maximum version (version 40 is 177*177 matrix).
+	 */
+    define('QRSPEC_WIDTH_MAX', 177);
+
+	// -----------------------------------------------------
+
+	/**
+	 * Matrix index to get width from $capacity array.
+	 */
+    define('QRCAP_WIDTH',    0);
+
+    /**
+	 * Matrix index to get number of words from $capacity array.
+	 */
+    define('QRCAP_WORDS',    1);
+
+    /**
+	 * Matrix index to get remainder from $capacity array.
+	 */
+    define('QRCAP_REMINDER', 2);
+
+    /**
+	 * Matrix index to get error correction level from $capacity array.
+	 */
+    define('QRCAP_EC',       3);
+
+	// -----------------------------------------------------
+
+	// Structure (currently usupported)
+
+	/**
+	 * Number of header bits for structured mode
+	 */
+    define('STRUCTURE_HEADER_BITS',  20);
+
+    /**
+	 * Max number of symbols for structured mode
+	 */
+    define('MAX_STRUCTURED_SYMBOLS', 16);
+
+	// -----------------------------------------------------
+
+    // Masks
+
+    /**
+	 * Down point base value for case 1 mask pattern (concatenation of same color in a line or a column)
+	 */
+    define('N1',  3);
+
+    /**
+	 * Down point base value for case 2 mask pattern (module block of same color)
+	 */
+	define('N2',  3);
+
+    /**
+	 * Down point base value for case 3 mask pattern (1:1:3:1:1(dark:bright:dark:bright:dark)pattern in a line or a column)
+	 */
+	define('N3', 40);
+
+    /**
+	 * Down point base value for case 4 mask pattern (ration of dark modules in whole)
+	 */
+	define('N4', 10);
+
+	// -----------------------------------------------------
+
+	// Optimization settings
+
+	/**
+	 * if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code
+	 */
+	define('QR_FIND_BEST_MASK', true);
+
+	/**
+	 * if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly
+	 */
+	define('QR_FIND_FROM_RANDOM', 2);
+
+	/**
+	 * when QR_FIND_BEST_MASK === false
+	 */
+	define('QR_DEFAULT_MASK', 2);
+
+	// -----------------------------------------------------
+
+} // end of definitions
+
+// #*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#
+
+if (!class_exists('QRcode', false)) {
+
+	// for compaibility with PHP4
+	if (!function_exists('str_split')) {
+    	/**
+    	 * Convert a string to an array (needed for PHP4 compatibility)
+    	 * @param string $string The input string.
+    	 * @param int $split_length Maximum length of the chunk.
+    	 * @return  If the optional split_length  parameter is specified, the returned array will be broken down into chunks with each being split_length  in length, otherwise each chunk will be one character in length. FALSE is returned if split_length is less than 1. If the split_length length exceeds the length of string , the entire string is returned as the first (and only) array element.
+    	 */
+		function str_split($string, $split_length=1) {
+			if ((strlen($string) > $split_length) OR (!$split_length)) {
+				do {
+					$c = strlen($string);
+					$parts[] = substr($string, 0, $split_length);
+					$string = substr($string, $split_length);
+				} while ($string !== false);
+			} else {
+				$parts = array($string);
+			}
+			return $parts;
+		}
+	}
+
+	// #####################################################
+
+	/**
+	 * Class to create QR-code arrays for TCPDF class.
+	 * QR Code symbol is a 2D barcode that can be scanned by handy terminals such as a mobile phone with CCD.
+	 * The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness.
+	 * This class supports QR Code model 2, described in JIS (Japanese Industrial Standards) X0510:2004 or ISO/IEC 18004.
+	 * Currently the following features are not supported: ECI and FNC1 mode, Micro QR Code, QR Code model 1, Structured mode.
+	 *
+	 * This class is derived from "PHP QR Code encoder" by Dominik Dzienia (http://phpqrcode.sourceforge.net/) based on "libqrencode C library 3.1.1." by Kentaro Fukuchi (http://megaui.net/fukuchi/works/qrencode/index.en.html), contains Reed-Solomon code written by Phil Karn, KA9Q. QR Code is registered trademark of DENSO WAVE INCORPORATED (http://www.denso-wave.com/qrcode/index-e.html).
+	 * Please read comments on this class source file for full copyright and license information.
+	 *
+	 * @name QRcode
+	 * @package com.tecnick.tcpdf
+	 * @abstract Class for generating QR-code array for TCPDF.
+	 * @author Nicola Asuni
+	 * @copyright 2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
+	 * @link http://www.tcpdf.org
+	 * @license http://www.gnu.org/copyleft/lesser.html LGPL
+	 * @version 1.0.002
+	 */
+	class QRcode {
+
+		/**
+		 * @var barcode array to be returned which is readable by TCPDF
+		 * @access protected
+		 */
+		protected $barcode_array = array();
+
+		/**
+		 * @var QR code version. Size of QRcode is defined as version. Version is from 1 to 40. Version 1 is 21*21 matrix. And 4 modules increases whenever 1 version increases. So version 40 is 177*177 matrix.
+		 * @access protected
+		 */
+		protected $version = 0;
+
+		/**
+		 * @var Levels of error correction. See definitions for possible values.
+		 * @access protected
+		 */
+		protected $level = QR_ECLEVEL_L;
+
+		/**
+		 * @var Encoding mode
+		 * @access protected
+		 */
+		protected $hint = QR_MODE_8B;
+
+		/**
+		 * @var if true the input string will be converted to uppercase
+		 * @access protected
+		 */
+		protected $casesensitive = true;
+
+		/**
+		 * @var structured QR code (not supported yet)
+		 * @access protected
+		 */
+		protected $structured = 0;
+
+		/**
+		 * @var mask data
+		 * @access protected
+		 */
+		protected $data;
+
+		// FrameFiller
+
+		/**
+		 * @var width
+		 * @access protected
+		 */
+		protected $width;
+
+		/**
+		 * @var frame
+		 * @access protected
+		 */
+		protected $frame;
+
+		/**
+		 * @var X position of bit
+		 * @access protected
+		 */
+		protected $x;
+
+		/**
+		 * @var Y position of bit
+		 * @access protected
+		 */
+		protected $y;
+
+		/**
+		 * @var direction
+		 * @access protected
+		 */
+		protected $dir;
+
+		/**
+		 * @var single bit
+		 * @access protected
+		 */
+		protected $bit;
+
+		// ---- QRrawcode ----
+
+		/**
+		 * @var data code
+		 * @access protected
+		 */
+		protected $datacode = array();
+
+		/**
+		 * @var error correction code
+		 * @access protected
+		 */
+		protected $ecccode = array();
+
+		/**
+		 * @var blocks
+		 * @access protected
+		 */
+		protected $blocks;
+
+		/**
+		 * @var Reed-Solomon blocks
+		 * @access protected
+		 */
+		protected $rsblocks = array(); //of RSblock
+
+		/**
+		 * @var counter
+		 * @access protected
+		 */
+		protected $count;
+
+		/**
+		 * @var data length
+		 * @access protected
+		 */
+		protected $dataLength;
+
+		/**
+		 * @var error correction length
+		 * @access protected
+		 */
+		protected $eccLength;
+
+		/**
+		 * @var b1
+		 * @access protected
+		 */
+		protected $b1;
+
+		// ---- QRmask ----
+
+		/**
+		 * @var run length
+		 * @access protected
+		 */
+		protected $runLength = array();
+
+		// ---- QRsplit ----
+
+		/**
+		 * @var input data string
+		 * @access protected
+		 */
+		protected $dataStr = '';
+
+		/**
+		 * @var input items
+		 * @access protected
+		 */
+		protected $items;
+
+		// Reed-Solomon items
+
+		/**
+		 * @var Reed-Solomon items
+		 * @access protected
+		 */
+		protected $rsitems = array();
+
+		/**
+		 * @var array of frames
+		 * @access protected
+		 */
+		protected $frames = array();
+
+		/**
+		 * @var alphabet-numeric convesion table
+		 * @access protected
+		 */
+		protected $anTable = array(
+			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, //
+			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, //
+			36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, //
+			 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1, //
+			-1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, //
+			25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, //
+			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, //
+			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1  //
+			);
+
+		/**
+		 * @var array Table of the capacity of symbols
+		 * See Table 1 (pp.13) and Table 12-16 (pp.30-36), JIS X0510:2004.
+		 * @access protected
+		 */
+		protected $capacity = array(
+			array(  0,    0, 0, array(   0,    0,    0,    0)), //
+			array( 21,   26, 0, array(   7,   10,   13,   17)), //  1
+			array( 25,   44, 7, array(  10,   16,   22,   28)), //
+			array( 29,   70, 7, array(  15,   26,   36,   44)), //
+			array( 33,  100, 7, array(  20,   36,   52,   64)), //
+			array( 37,  134, 7, array(  26,   48,   72,   88)), //  5
+			array( 41,  172, 7, array(  36,   64,   96,  112)), //
+			array( 45,  196, 0, array(  40,   72,  108,  130)), //
+			array( 49,  242, 0, array(  48,   88,  132,  156)), //
+			array( 53,  292, 0, array(  60,  110,  160,  192)), //
+			array( 57,  346, 0, array(  72,  130,  192,  224)), // 10
+			array( 61,  404, 0, array(  80,  150,  224,  264)), //
+			array( 65,  466, 0, array(  96,  176,  260,  308)), //
+			array( 69,  532, 0, array( 104,  198,  288,  352)), //
+			array( 73,  581, 3, array( 120,  216,  320,  384)), //
+			array( 77,  655, 3, array( 132,  240,  360,  432)), // 15
+			array( 81,  733, 3, array( 144,  280,  408,  480)), //
+			array( 85,  815, 3, array( 168,  308,  448,  532)), //
+			array( 89,  901, 3, array( 180,  338,  504,  588)), //
+			array( 93,  991, 3, array( 196,  364,  546,  650)), //
+			array( 97, 1085, 3, array( 224,  416,  600,  700)), // 20
+			array(101, 1156, 4, array( 224,  442,  644,  750)), //
+			array(105, 1258, 4, array( 252,  476,  690,  816)), //
+			array(109, 1364, 4, array( 270,  504,  750,  900)), //
+			array(113, 1474, 4, array( 300,  560,  810,  960)), //
+			array(117, 1588, 4, array( 312,  588,  870, 1050)), // 25
+			array(121, 1706, 4, array( 336,  644,  952, 1110)), //
+			array(125, 1828, 4, array( 360,  700, 1020, 1200)), //
+			array(129, 1921, 3, array( 390,  728, 1050, 1260)), //
+			array(133, 2051, 3, array( 420,  784, 1140, 1350)), //
+			array(137, 2185, 3, array( 450,  812, 1200, 1440)), // 30
+			array(141, 2323, 3, array( 480,  868, 1290, 1530)), //
+			array(145, 2465, 3, array( 510,  924, 1350, 1620)), //
+			array(149, 2611, 3, array( 540,  980, 1440, 1710)), //
+			array(153, 2761, 3, array( 570, 1036, 1530, 1800)), //
+			array(157, 2876, 0, array( 570, 1064, 1590, 1890)), // 35
+			array(161, 3034, 0, array( 600, 1120, 1680, 1980)), //
+			array(165, 3196, 0, array( 630, 1204, 1770, 2100)), //
+			array(169, 3362, 0, array( 660, 1260, 1860, 2220)), //
+			array(173, 3532, 0, array( 720, 1316, 1950, 2310)), //
+			array(177, 3706, 0, array( 750, 1372, 2040, 2430))  // 40
+		);
+
+		/**
+		 * @var array Length indicator
+		 * @access protected
+		 */
+		protected $lengthTableBits = array(
+			array(10, 12, 14),
+			array( 9, 11, 13),
+			array( 8, 16, 16),
+			array( 8, 10, 12)
+		);
+
+		/**
+		 * @var array Table of the error correction code (Reed-Solomon block)
+		 * See Table 12-16 (pp.30-36), JIS X0510:2004.
+		 * @access protected
+		 */
+		protected $eccTable = array(
+			array(array( 0,  0), array( 0,  0), array( 0,  0), array( 0,  0)), //
+			array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)), //  1
+			array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)), //
+			array(array( 1,  0), array( 1,  0), array( 2,  0), array( 2,  0)), //
+			array(array( 1,  0), array( 2,  0), array( 2,  0), array( 4,  0)), //
+			array(array( 1,  0), array( 2,  0), array( 2,  2), array( 2,  2)), //  5
+			array(array( 2,  0), array( 4,  0), array( 4,  0), array( 4,  0)), //
+			array(array( 2,  0), array( 4,  0), array( 2,  4), array( 4,  1)), //
+			array(array( 2,  0), array( 2,  2), array( 4,  2), array( 4,  2)), //
+			array(array( 2,  0), array( 3,  2), array( 4,  4), array( 4,  4)), //
+			array(array( 2,  2), array( 4,  1), array( 6,  2), array( 6,  2)), // 10
+			array(array( 4,  0), array( 1,  4), array( 4,  4), array( 3,  8)), //
+			array(array( 2,  2), array( 6,  2), array( 4,  6), array( 7,  4)), //
+			array(array( 4,  0), array( 8,  1), array( 8,  4), array(12,  4)), //
+			array(array( 3,  1), array( 4,  5), array(11,  5), array(11,  5)), //
+			array(array( 5,  1), array( 5,  5), array( 5,  7), array(11,  7)), // 15
+			array(array( 5,  1), array( 7,  3), array(15,  2), array( 3, 13)), //
+			array(array( 1,  5), array(10,  1), array( 1, 15), array( 2, 17)), //
+			array(array( 5,  1), array( 9,  4), array(17,  1), array( 2, 19)), //
+			array(array( 3,  4), array( 3, 11), array(17,  4), array( 9, 16)), //
+			array(array( 3,  5), array( 3, 13), array(15,  5), array(15, 10)), // 20
+			array(array( 4,  4), array(17,  0), array(17,  6), array(19,  6)), //
+			array(array( 2,  7), array(17,  0), array( 7, 16), array(34,  0)), //
+			array(array( 4,  5), array( 4, 14), array(11, 14), array(16, 14)), //
+			array(array( 6,  4), array( 6, 14), array(11, 16), array(30,  2)), //
+			array(array( 8,  4), array( 8, 13), array( 7, 22), array(22, 13)), // 25
+			array(array(10,  2), array(19,  4), array(28,  6), array(33,  4)), //
+			array(array( 8,  4), array(22,  3), array( 8, 26), array(12, 28)), //
+			array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)), //
+			array(array( 7,  7), array(21,  7), array( 1, 37), array(19, 26)), //
+			array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), // 30
+			array(array(13,  3), array( 2, 29), array(42,  1), array(23, 28)), //
+			array(array(17,  0), array(10, 23), array(10, 35), array(19, 35)), //
+			array(array(17,  1), array(14, 21), array(29, 19), array(11, 46)), //
+			array(array(13,  6), array(14, 23), array(44,  7), array(59,  1)), //
+			array(array(12,  7), array(12, 26), array(39, 14), array(22, 41)), // 35
+			array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)), //
+			array(array(17,  4), array(29, 14), array(49, 10), array(24, 46)), //
+			array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)), //
+			array(array(20,  4), array(40,  7), array(43, 22), array(10, 67)), //
+			array(array(19,  6), array(18, 31), array(34, 34), array(20, 61))  // 40
+		);
+
+		/**
+		 * @var array Positions of alignment patterns.
+		 * This array includes only the second and the third position of the alignment patterns. Rest of them can be calculated from the distance between them.
+		 * See Table 1 in Appendix E (pp.71) of JIS X0510:2004.
+		 * @access protected
+		 */
+		protected $alignmentPattern = array(
+			array( 0,  0),
+			array( 0,  0), array(18,  0), array(22,  0), array(26,  0), array(30,  0), //  1- 5
+			array(34,  0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), //  6-10
+			array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), // 11-15
+			array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), // 16-20
+			array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), // 21-25
+			array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), // 26-30
+			array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), // 31-35
+			array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58)  // 35-40
+		);
+
+		/**
+		 * @var array Version information pattern (BCH coded).
+		 * See Table 1 in Appendix D (pp.68) of JIS X0510:2004.
+		 * size: [QRSPEC_VERSION_MAX - 6]
+		 * @access protected
+		 */
+		protected $versionPattern = array(
+			0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d, //
+			0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9, //
+			0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75, //
+			0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64, //
+			0x27541, 0x28c69
+		);
+
+		/**
+		 * @var array Format information
+		 * @access protected
+		 */
+		protected $formatInfo = array(
+			array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976), //
+			array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0), //
+			array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed), //
+			array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)  //
+		);
+
+
+		// -------------------------------------------------
+		// -------------------------------------------------
+
+
+		/**
+		 * This is the class constructor.
+		 * Creates a QRcode object
+		 * @param string $code code to represent using QRcode
+		 * @param string $eclevel error level: <ul><li>L : About 7% or less errors can be corrected.</li><li>M : About 15% or less errors can be corrected.</li><li>Q : About 25% or less errors can be corrected.</li><li>H : About 30% or less errors can be corrected.</li></ul>
+		 * @access public
+		 * @since 1.0.000
+		 */
+		public function __construct($code, $eclevel = 'L') {
+			$barcode_array = array();
+			if ((is_null($code)) OR ($code == '\0') OR ($code == '')) {
+				return false;
+			}
+			// set error correction level
+			$this->level = array_search($eclevel, array('L', 'M', 'Q', 'H'));
+			if ($this->level === false) {
+				$this->level = QR_ECLEVEL_L;
+			}
+			if (($this->hint != QR_MODE_8B) AND ($this->hint != QR_MODE_KJ)) {
+				return false;
+			}
+			if (($this->version < 0) OR ($this->version > QRSPEC_VERSION_MAX)) {
+				return false;
+			}
+			$this->items = array();
+			$this->encodeString($code);
+			$qrTab = $this->binarize($this->data);
+			$size = count($qrTab);
+			$barcode_array['num_rows'] = $size;
+			$barcode_array['num_cols'] = $size;
+			$barcode_array['bcode'] = array();
+			foreach ($qrTab as $line) {
+				$arrAdd = array();
+				foreach (str_split($line) as $char) {
+					$arrAdd[] = ($char=='1')?1:0;
+				}
+				$barcode_array['bcode'][] = $arrAdd;
+			}
+			$this->barcode_array = $barcode_array;
+		}
+
+		/**
+		 * Returns a barcode array which is readable by TCPDF
+		 * @return array barcode array readable by TCPDF;
+		 * @access public
+		 */
+		public function getBarcodeArray() {
+			return $this->barcode_array;
+		}
+
+		/**
+		 * Convert the frame in binary form
+		 * @param array $frame array to binarize
+		 * @return array frame in binary form
+		 */
+		protected function binarize($frame) {
+			$len = count($frame);
+			// the frame is square (width = height)
+			foreach ($frame as &$frameLine) {
+				for ($i=0; $i<$len; $i++) {
+					$frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
+				}
+			}
+			return $frame;
+		}
+
+		/**
+		 * Encode the input string to QR code
+		 * @param string $string input string to encode
+		 */
+		protected function encodeString($string) {
+			$this->dataStr = $string;
+			if (!$this->casesensitive) {
+				$this->toUpper();
+			}
+			$ret = $this->splitString();
+			if ($ret < 0) {
+				return NULL;
+			}
+			$this->encodeMask(-1);
+		}
+
+		/**
+		 * Encode mask
+		 * @param int $mask masking mode
+		 */
+		protected function encodeMask($mask) {
+			$spec = array(0, 0, 0, 0, 0);
+			$this->datacode = $this->getByteStream($this->items);
+			if (is_null($this->datacode)) {
+				return NULL;
+			}
+			$spec = $this->getEccSpec($this->version, $this->level, $spec);
+			$this->b1 = $this->rsBlockNum1($spec);
+			$this->dataLength = $this->rsDataLength($spec);
+			$this->eccLength = $this->rsEccLength($spec);
+			$this->ecccode = array_fill(0, $this->eccLength, 0);
+			$this->blocks = $this->rsBlockNum($spec);
+			$ret = $this->init($spec);
+			if ($ret < 0) {
+				return NULL;
+			}
+			$this->count = 0;
+			$this->width = $this->getWidth($this->version);
+			$this->frame = $this->newFrame($this->version);
+			$this->x = $this->width - 1;
+			$this->y = $this->width - 1;
+			$this->dir = -1;
+			$this->bit = -1;
+			// inteleaved data and ecc codes
+			for ($i=0; $i < ($this->dataLength + $this->eccLength); $i++) {
+				$code = $this->getCode();
+				$bit = 0x80;
+				for ($j=0; $j<8; $j++) {
+					$addr = $this->getNextPosition();
+					$this->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
+					$bit = $bit >> 1;
+				}
+			}
+			// remainder bits
+			$j = $this->getRemainder($this->version);
+			for ($i=0; $i<$j; $i++) {
+				$addr = $this->getNextPosition();
+				$this->setFrameAt($addr, 0x02);
+			}
+			// masking
+			$this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
+			if ($mask < 0) {
+				if (QR_FIND_BEST_MASK) {
+					$masked = $this->mask($this->width, $this->frame, $this->level);
+				} else {
+					$masked = $this->makeMask($this->width, $this->frame, (intval(QR_DEFAULT_MASK) % 8), $this->level);
+				}
+			} else {
+				$masked = $this->makeMask($this->width, $this->frame, $mask, $this->level);
+			}
+			if ($masked == NULL) {
+				return NULL;
+			}
+			$this->data = $masked;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// FrameFiller
+
+		/**
+		 * Set frame value at specified position
+		 * @param array $at x,y position
+		 * @param int $val value of the character to set
+		 */
+		protected function setFrameAt($at, $val) {
+			$this->frame[$at['y']][$at['x']] = chr($val);
+		}
+
+		/**
+		 * Get frame value at specified position
+		 * @param array $at x,y position
+		 * @return value at specified position
+		 */
+		protected function getFrameAt($at) {
+			return ord($this->frame[$at['y']][$at['x']]);
+		}
+
+		/**
+		 * Return the next frame position
+		 * @return array of x,y coordinates
+		 */
+		protected function getNextPosition() {
+			do {
+				if ($this->bit == -1) {
+					$this->bit = 0;
+					return array('x'=>$this->x, 'y'=>$this->y);
+				}
+				$x = $this->x;
+				$y = $this->y;
+				$w = $this->width;
+				if ($this->bit == 0) {
+					$x--;
+					$this->bit++;
+				} else {
+					$x++;
+					$y += $this->dir;
+					$this->bit--;
+				}
+				if ($this->dir < 0) {
+					if ($y < 0) {
+						$y = 0;
+						$x -= 2;
+						$this->dir = 1;
+						if ($x == 6) {
+							$x--;
+							$y = 9;
+						}
+					}
+				} else {
+					if ($y == $w) {
+						$y = $w - 1;
+						$x -= 2;
+						$this->dir = -1;
+						if ($x == 6) {
+							$x--;
+							$y -= 8;
+						}
+					}
+				}
+				if (($x < 0) OR ($y < 0)) {
+					return NULL;
+				}
+				$this->x = $x;
+				$this->y = $y;
+			} while(ord($this->frame[$y][$x]) & 0x80);
+			return array('x'=>$x, 'y'=>$y);
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRrawcode
+
+		/**
+		 * Initialize code.
+		 * @param array $spec array of ECC specification
+		 * @return 0 in case of success, -1 in case of error
+		 */
+		protected function init($spec) {
+			$dl = $this->rsDataCodes1($spec);
+			$el = $this->rsEccCodes1($spec);
+			$rs = $this->init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
+			$blockNo = 0;
+			$dataPos = 0;
+			$eccPos = 0;
+			$endfor = $this->rsBlockNum1($spec);
+			for ($i=0; $i < $endfor; ++$i) {
+				$ecc = array_slice($this->ecccode, $eccPos);
+				$this->rsblocks[$blockNo] = array();
+				$this->rsblocks[$blockNo]['dataLength'] = $dl;
+				$this->rsblocks[$blockNo]['data'] = array_slice($this->datacode, $dataPos);
+				$this->rsblocks[$blockNo]['eccLength'] = $el;
+				$ecc = $this->encode_rs_char($rs, $this->rsblocks[$blockNo]['data'], $ecc);
+				$this->rsblocks[$blockNo]['ecc'] = $ecc;
+				$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
+				$dataPos += $dl;
+				$eccPos += $el;
+				$blockNo++;
+			}
+			if ($this->rsBlockNum2($spec) == 0) {
+				return 0;
+			}
+			$dl = $this->rsDataCodes2($spec);
+			$el = $this->rsEccCodes2($spec);
+			$rs = $this->init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
+			if ($rs == NULL) {
+				return -1;
+			}
+			$endfor = $this->rsBlockNum2($spec);
+			for ($i=0; $i < $endfor; ++$i) {
+				$ecc = array_slice($this->ecccode, $eccPos);
+				$this->rsblocks[$blockNo] = array();
+				$this->rsblocks[$blockNo]['dataLength'] = $dl;
+				$this->rsblocks[$blockNo]['data'] = array_slice($this->datacode, $dataPos);
+				$this->rsblocks[$blockNo]['eccLength'] = $el;
+				$ecc = $this->encode_rs_char($rs, $this->rsblocks[$blockNo]['data'], $ecc);
+				$this->rsblocks[$blockNo]['ecc'] = $ecc;
+				$this->ecccode = array_merge(array_slice($this->ecccode, 0, $eccPos), $ecc);
+				$dataPos += $dl;
+				$eccPos += $el;
+				$blockNo++;
+			}
+			return 0;
+		}
+
+		/**
+		 * Return Reed-Solomon block code.
+		 * @return array rsblocks
+		 */
+		protected function getCode() {
+			if ($this->count < $this->dataLength) {
+				$row = $this->count % $this->blocks;
+				$col = $this->count / $this->blocks;
+				if ($col >= $this->rsblocks[0]['dataLength']) {
+					$row += $this->b1;
+				}
+				$ret = $this->rsblocks[$row]['data'][$col];
+			} elseif ($this->count < $this->dataLength + $this->eccLength) {
+				$row = ($this->count - $this->dataLength) % $this->blocks;
+				$col = ($this->count - $this->dataLength) / $this->blocks;
+				$ret = $this->rsblocks[$row]['ecc'][$col];
+			} else {
+				return 0;
+			}
+			$this->count++;
+			return $ret;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRmask
+
+		/**
+		 * Write Format Information on frame and returns the number of black bits
+		 * @param int $width frame width
+		 * @param array $frame frame
+		 * @param array $mask masking mode
+		 * @param int $level error correction level
+		 * @return int blacks
+		 */
+		 protected function writeFormatInformation($width, &$frame, $mask, $level) {
+			$blacks = 0;
+			$format =  $this->getFormatInfo($mask, $level);
+			for ($i=0; $i<8; ++$i) {
+				if ($format & 1) {
+					$blacks += 2;
+					$v = 0x85;
+				} else {
+					$v = 0x84;
+				}
+				$frame[8][$width - 1 - $i] = chr($v);
+				if ($i < 6) {
+					$frame[$i][8] = chr($v);
+				} else {
+					$frame[$i + 1][8] = chr($v);
+				}
+				$format = $format >> 1;
+			}
+			for ($i=0; $i<7; ++$i) {
+			if ($format & 1) {
+				$blacks += 2;
+				$v = 0x85;
+			} else {
+				$v = 0x84;
+			}
+			$frame[$width - 7 + $i][8] = chr($v);
+			if ($i == 0) {
+				$frame[8][7] = chr($v);
+			} else {
+				$frame[8][6 - $i] = chr($v);
+			}
+			$format = $format >> 1;
+			}
+			return $blacks;
+		}
+
+		/**
+		 * mask0
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask0($x, $y) {
+			return ($x + $y) & 1;
+		}
+
+		/**
+		 * mask1
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask1($x, $y) {
+			return ($y & 1);
+		}
+
+		/**
+		 * mask2
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask2($x, $y) {
+			return ($x % 3);
+		}
+
+		/**
+		 * mask3
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask3($x, $y) {
+			return ($x + $y) % 3;
+		}
+
+		/**
+		 * mask4
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask4($x, $y) {
+			return (((int)($y / 2)) + ((int)($x / 3))) & 1;
+		}
+
+		/**
+		 * mask5
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask5($x, $y) {
+			return (($x * $y) & 1) + ($x * $y) % 3;
+		}
+
+		/**
+		 * mask6
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask6($x, $y) {
+			return ((($x * $y) & 1) + ($x * $y) % 3) & 1;
+		}
+
+		/**
+		 * mask7
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @return int mask
+		 */
+		 protected function mask7($x, $y) {
+			return ((($x * $y) % 3) + (($x + $y) & 1)) & 1;
+		}
+
+		/**
+		 * Return bitmask
+		 * @param int $maskNo mask number
+		 * @param int $width width
+		 * @param array $frame frame
+		 * @return array bitmask
+		 */
+		protected function generateMaskNo($maskNo, $width, $frame) {
+			$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
+			for ($y=0; $y<$width; ++$y) {
+				for ($x=0; $x<$width; ++$x) {
+					if (ord($frame[$y][$x]) & 0x80) {
+						$bitMask[$y][$x] = 0;
+					} else {
+						$maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
+						$bitMask[$y][$x] = ($maskFunc == 0)?1:0;
+					}
+				}
+			}
+			return $bitMask;
+		}
+
+		/**
+		 * makeMaskNo
+		 * @param int $maskNo
+		 * @param int $width
+		 * @param int $s
+		 * @param int $d
+		 * @param boolean $maskGenOnly
+		 * @return int b
+		 */
+		 protected function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly=false) {
+			$b = 0;
+			$bitMask = array();
+			$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
+			if ($maskGenOnly) {
+				return;
+			}
+			$d = $s;
+			for ($y=0; $y<$width; ++$y) {
+				for ($x=0; $x<$width; ++$x) {
+					if ($bitMask[$y][$x] == 1) {
+						$d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
+					}
+					$b += (int)(ord($d[$y][$x]) & 1);
+				}
+			}
+			return $b;
+		}
+
+		/**
+		 * makeMask
+		 * @param int $width
+		 * @param array $frame
+		 * @param int $maskNo
+		 * @param int $level
+		 * @return array mask
+		 */
+		 protected function makeMask($width, $frame, $maskNo, $level) {
+			$masked = array_fill(0, $width, str_repeat("\0", $width));
+			$this->makeMaskNo($maskNo, $width, $frame, $masked);
+			$this->writeFormatInformation($width, $masked, $maskNo, $level);
+			return $masked;
+		}
+
+		/**
+		 * calcN1N3
+		 * @param int $length
+		 * @return int demerit
+		 */
+		 protected function calcN1N3($length) {
+			$demerit = 0;
+			for ($i=0; $i<$length; ++$i) {
+				if ($this->runLength[$i] >= 5) {
+					$demerit += (N1 + ($this->runLength[$i] - 5));
+				}
+				if ($i & 1) {
+					if (($i >= 3) AND ($i < ($length-2)) AND ($this->runLength[$i] % 3 == 0)) {
+						$fact = (int)($this->runLength[$i] / 3);
+						if (($this->runLength[$i-2] == $fact)
+							AND ($this->runLength[$i-1] == $fact)
+							AND ($this->runLength[$i+1] == $fact)
+							AND ($this->runLength[$i+2] == $fact)) {
+							if (($this->runLength[$i-3] < 0) OR ($this->runLength[$i-3] >= (4 * $fact))) {
+								$demerit += N3;
+							} elseif ((($i+3) >= $length) OR ($this->runLength[$i+3] >= (4 * $fact))) {
+								$demerit += N3;
+							}
+						}
+					}
+				}
+			}
+			return $demerit;
+		}
+
+		/**
+		 * evaluateSymbol
+		 * @param int $width
+		 * @param array $frame
+		 * @return int demerit
+		 */
+		 protected function evaluateSymbol($width, $frame) {
+			$head = 0;
+			$demerit = 0;
+			for ($y=0; $y<$width; ++$y) {
+				$head = 0;
+				$this->runLength[0] = 1;
+				$frameY = $frame[$y];
+				if ($y > 0) {
+					$frameYM = $frame[$y-1];
+				}
+				for ($x=0; $x<$width; ++$x) {
+					if (($x > 0) AND ($y > 0)) {
+						$b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
+						$w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
+						if (($b22 | ($w22 ^ 1)) & 1) {
+							$demerit += N2;
+						}
+					}
+					if (($x == 0) AND (ord($frameY[$x]) & 1)) {
+						$this->runLength[0] = -1;
+						$head = 1;
+						$this->runLength[$head] = 1;
+					} elseif ($x > 0) {
+						if ((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
+							$head++;
+							$this->runLength[$head] = 1;
+						} else {
+							$this->runLength[$head]++;
+						}
+					}
+				}
+				$demerit += $this->calcN1N3($head+1);
+			}
+			for ($x=0; $x<$width; ++$x) {
+				$head = 0;
+				$this->runLength[0] = 1;
+				for ($y=0; $y<$width; ++$y) {
+					if (($y == 0) AND (ord($frame[$y][$x]) & 1)) {
+						$this->runLength[0] = -1;
+						$head = 1;
+						$this->runLength[$head] = 1;
+					} elseif ($y > 0) {
+						if ((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
+							$head++;
+							$this->runLength[$head] = 1;
+						} else {
+							$this->runLength[$head]++;
+						}
+					}
+				}
+				$demerit += $this->calcN1N3($head+1);
+			}
+			return $demerit;
+		}
+
+		/**
+		 * mask
+		 * @param int $width
+		 * @param array $frame
+		 * @param int $level
+		 * @return array best mask
+		 */
+		 protected function mask($width, $frame, $level) {
+			$minDemerit = PHP_INT_MAX;
+			$bestMaskNum = 0;
+			$bestMask = array();
+			$checked_masks = array(0, 1, 2, 3, 4, 5, 6, 7);
+			if (QR_FIND_FROM_RANDOM !== false) {
+				$howManuOut = 8 - (QR_FIND_FROM_RANDOM % 9);
+				for ($i = 0; $i <  $howManuOut; ++$i) {
+					$remPos = rand (0, count($checked_masks)-1);
+					unset($checked_masks[$remPos]);
+					$checked_masks = array_values($checked_masks);
+				}
+			}
+			$bestMask = $frame;
+			foreach ($checked_masks as $i) {
+				$mask = array_fill(0, $width, str_repeat("\0", $width));
+				$demerit = 0;
+				$blacks = 0;
+				$blacks  = $this->makeMaskNo($i, $width, $frame, $mask);
+				$blacks += $this->writeFormatInformation($width, $mask, $i, $level);
+				$blacks  = (int)(100 * $blacks / ($width * $width));
+				$demerit = (int)((int)(abs($blacks - 50) / 5) * N4);
+				$demerit += $this->evaluateSymbol($width, $mask);
+				if ($demerit < $minDemerit) {
+					$minDemerit = $demerit;
+					$bestMask = $mask;
+					$bestMaskNum = $i;
+				}
+			}
+			return $bestMask;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRsplit
+
+		/**
+		 * Return true if the character at specified position is a number
+		 * @param string $str string
+		 * @param int $pos characted position
+		 * @return boolean true of false
+		 */
+		 protected function isdigitat($str, $pos) {
+			if ($pos >= strlen($str)) {
+				return false;
+			}
+			return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9')));
+		}
+
+		/**
+		 * Return true if the character at specified position is an alphanumeric character
+		 * @param string $str string
+		 * @param int $pos characted position
+		 * @return boolean true of false
+		 */
+		 protected function isalnumat($str, $pos) {
+			if ($pos >= strlen($str)) {
+				return false;
+			}
+			return ($this->lookAnTable(ord($str[$pos])) >= 0);
+		}
+
+		/**
+		 * identifyMode
+		 * @param int $pos
+		 * @return int mode
+		 */
+		 protected function identifyMode($pos) {
+			if ($pos >= strlen($this->dataStr)) {
+				return QR_MODE_NL;
+			}
+			$c = $this->dataStr[$pos];
+			if ($this->isdigitat($this->dataStr, $pos)) {
+				return QR_MODE_NM;
+			} elseif ($this->isalnumat($this->dataStr, $pos)) {
+				return QR_MODE_AN;
+			} elseif ($this->hint == QR_MODE_KJ) {
+				if ($pos+1 < strlen($this->dataStr)) {
+					$d = $this->dataStr[$pos+1];
+					$word = (ord($c) << 8) | ord($d);
+					if (($word >= 0x8140 && $word <= 0x9ffc) OR ($word >= 0xe040 && $word <= 0xebbf)) {
+						return QR_MODE_KJ;
+					}
+				}
+			}
+			return QR_MODE_8B;
+		}
+
+		/**
+		 * eatNum
+		 * @return int run
+		 */
+		 protected function eatNum() {
+			$ln = $this->lengthIndicator(QR_MODE_NM, $this->version);
+			$p = 0;
+			while($this->isdigitat($this->dataStr, $p)) {
+				$p++;
+			}
+			$run = $p;
+			$mode = $this->identifyMode($p);
+			if ($mode == QR_MODE_8B) {
+				$dif = $this->estimateBitsModeNum($run) + 4 + $ln
+				+ $this->estimateBitsMode8(1)         // + 4 + l8
+				- $this->estimateBitsMode8($run + 1); // - 4 - l8
+				if ($dif > 0) {
+					return $this->eat8();
+				}
+			}
+			if ($mode == QR_MODE_AN) {
+				$dif = $this->estimateBitsModeNum($run) + 4 + $ln
+				+ $this->estimateBitsModeAn(1)        // + 4 + la
+				- $this->estimateBitsModeAn($run + 1);// - 4 - la
+				if ($dif > 0) {
+					return $this->eatAn();
+				}
+			}
+			$this->items = $this->appendNewInputItem($this->items, QR_MODE_NM, $run, str_split($this->dataStr));
+			return $run;
+		}
+
+		/**
+		 * eatAn
+		 * @return int run
+		 */
+		 protected function eatAn() {
+			$la = $this->lengthIndicator(QR_MODE_AN,  $this->version);
+			$ln = $this->lengthIndicator(QR_MODE_NM, $this->version);
+			$p = 0;
+			while($this->isalnumat($this->dataStr, $p)) {
+				if ($this->isdigitat($this->dataStr, $p)) {
+					$q = $p;
+					while($this->isdigitat($this->dataStr, $q)) {
+						$q++;
+					}
+					$dif = $this->estimateBitsModeAn($p) // + 4 + la
+					+ $this->estimateBitsModeNum($q - $p) + 4 + $ln
+					- $this->estimateBitsModeAn($q); // - 4 - la
+					if ($dif < 0) {
+						break;
+					} else {
+						$p = $q;
+					}
+				} else {
+					$p++;
+				}
+			}
+			$run = $p;
+			if (!$this->isalnumat($this->dataStr, $p)) {
+				$dif = $this->estimateBitsModeAn($run) + 4 + $la
+				+ $this->estimateBitsMode8(1) // + 4 + l8
+				- $this->estimateBitsMode8($run + 1); // - 4 - l8
+				if ($dif > 0) {
+					return $this->eat8();
+				}
+			}
+			$this->items = $this->appendNewInputItem($this->items, QR_MODE_AN, $run, str_split($this->dataStr));
+			return $run;
+		}
+
+		/**
+		 * eatKanji
+		 * @return int run
+		 */
+		 protected function eatKanji() {
+			$p = 0;
+			while($this->identifyMode($p) == QR_MODE_KJ) {
+				$p += 2;
+			}
+			$this->items = $this->appendNewInputItem($this->items, QR_MODE_KJ, $p, str_split($this->dataStr));
+			return $run;
+		}
+
+		/**
+		 * eat8
+		 * @return int run
+		 */
+		 protected function eat8() {
+			$la = $this->lengthIndicator(QR_MODE_AN, $this->version);
+			$ln = $this->lengthIndicator(QR_MODE_NM, $this->version);
+			$p = 1;
+			$dataStrLen = strlen($this->dataStr);
+			while($p < $dataStrLen) {
+				$mode = $this->identifyMode($p);
+				if ($mode == QR_MODE_KJ) {
+					break;
+				}
+				if ($mode == QR_MODE_NM) {
+					$q = $p;
+					while($this->isdigitat($this->dataStr, $q)) {
+						$q++;
+					}
+					$dif = $this->estimateBitsMode8($p) // + 4 + l8
+					+ $this->estimateBitsModeNum($q - $p) + 4 + $ln
+					- $this->estimateBitsMode8($q); // - 4 - l8
+					if ($dif < 0) {
+						break;
+					} else {
+						$p = $q;
+					}
+				} elseif ($mode == QR_MODE_AN) {
+					$q = $p;
+					while($this->isalnumat($this->dataStr, $q)) {
+						$q++;
+					}
+					$dif = $this->estimateBitsMode8($p)  // + 4 + l8
+					+ $this->estimateBitsModeAn($q - $p) + 4 + $la
+					- $this->estimateBitsMode8($q); // - 4 - l8
+					if ($dif < 0) {
+						break;
+					} else {
+						$p = $q;
+					}
+				} else {
+					$p++;
+				}
+			}
+			$run = $p;
+			$this->items = $this->appendNewInputItem($this->items, QR_MODE_8B, $run, str_split($this->dataStr));
+			return $run;
+		}
+
+		/**
+		 * splitString
+		 */
+		 protected function splitString() {
+			while (strlen($this->dataStr) > 0) {
+				if ($this->dataStr == '') {
+					return 0;
+				}
+				$mode = $this->identifyMode(0);
+				switch ($mode) {
+					case QR_MODE_NM: {
+						$length = $this->eatNum();
+						break;
+					}
+					case QR_MODE_AN: {
+						$length = $this->eatAn();
+						break;
+					}
+					case QR_MODE_KJ: {
+						if ($hint == QR_MODE_KJ) {
+							$length = $this->eatKanji();
+						} else {
+							$length = $this->eat8();
+						}
+						break;
+					}
+					default: {
+						$length = $this->eat8();
+						break;
+					}
+				}
+				if ($length == 0) {
+					return 0;
+				}
+				if ($length < 0) {
+					return -1;
+				}
+				$this->dataStr = substr($this->dataStr, $length);
+			}
+		}
+
+		/**
+		 * toUpper
+		 */
+		 protected function toUpper() {
+			$stringLen = strlen($this->dataStr);
+			$p = 0;
+			while ($p < $stringLen) {
+				$mode = $this->identifyMode(substr($this->dataStr, $p), $this->hint);
+				if ($mode == QR_MODE_KJ) {
+					$p += 2;
+				} else {
+					if ((ord($this->dataStr[$p]) >= ord('a')) AND (ord($this->dataStr[$p]) <= ord('z'))) {
+						$this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
+					}
+					$p++;
+				}
+			}
+			return $this->dataStr;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRinputItem
+
+		/**
+		 * newInputItem
+		 * @param int $mode
+		 * @param int $size
+		 * @param array $data
+		 * @param array $bstream
+		 * @return array input item
+		 */
+		 protected function newInputItem($mode, $size, $data, $bstream=null) {
+			$setData = array_slice($data, 0, $size);
+			if (count($setData) < $size) {
+				$setData = array_merge($setData, array_fill(0, ($size - count($setData)), 0));
+			}
+			if (!$this->check($mode, $size, $setData)) {
+				return NULL;
+			}
+			$inputitem = array();
+			$inputitem['mode'] = $mode;
+			$inputitem['size'] = $size;
+			$inputitem['data'] = $setData;
+			$inputitem['bstream'] = $bstream;
+			return $inputitem;
+		}
+
+		/**
+		 * encodeModeNum
+		 * @param array $inputitem
+		 * @param int $version
+		 * @return array input item
+		 */
+		 protected function encodeModeNum($inputitem, $version) {
+			$words = (int)($inputitem['size'] / 3);
+			$inputitem['bstream'] = array();
+			$val = 0x1;
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, $val);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_NM, $version), $inputitem['size']);
+			for ($i=0; $i < $words; ++$i) {
+				$val  = (ord($inputitem['data'][$i*3  ]) - ord('0')) * 100;
+				$val += (ord($inputitem['data'][$i*3+1]) - ord('0')) * 10;
+				$val += (ord($inputitem['data'][$i*3+2]) - ord('0'));
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 10, $val);
+			}
+			if ($inputitem['size'] - $words * 3 == 1) {
+				$val = ord($inputitem['data'][$words*3]) - ord('0');
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, $val);
+			} elseif (($inputitem['size'] - ($words * 3)) == 2) {
+				$val  = (ord($inputitem['data'][$words*3  ]) - ord('0')) * 10;
+				$val += (ord($inputitem['data'][$words*3+1]) - ord('0'));
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 7, $val);
+			}
+			return $inputitem;
+		}
+
+		/**
+		 * encodeModeAn
+		 * @param array $inputitem
+		 * @param int $version
+		 * @return array input item
+		 */
+		 protected function encodeModeAn($inputitem, $version) {
+			$words = (int)($inputitem['size'] / 2);
+			$inputitem['bstream'] = array();
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x02);
+			$inputitem['bstream'] = $this->appendNum(v, $this->lengthIndicator(QR_MODE_AN, $version), $inputitem['size']);
+			for ($i=0; $i < $words; ++$i) {
+				$val  = (int)$this->lookAnTable(ord($inputitem['data'][$i*2  ])) * 45;
+				$val += (int)$this->lookAnTable(ord($inputitem['data'][$i*2+1]));
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 11, $val);
+			}
+			if ($inputitem['size'] & 1) {
+				$val = $this->lookAnTable(ord($inputitem['data'][($words * 2)]));
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 6, $val);
+			}
+			return $inputitem;
+		}
+
+		/**
+		 * encodeMode8
+		 * @param array $inputitem
+		 * @param int $version
+		 * @return array input item
+		 */
+		 protected function encodeMode8($inputitem, $version) {
+			$inputitem['bstream'] = array();
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x4);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_8B, $version), $inputitem['size']);
+			for ($i=0; $i < $inputitem['size']; ++$i) {
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 8, ord($inputitem['data'][$i]));
+			}
+			return $inputitem;
+		}
+
+		/**
+		 * encodeModeKanji
+		 * @param array $inputitem
+		 * @param int $version
+		 * @return array input item
+		 */
+		 protected function encodeModeKanji($inputitem, $version) {
+			$inputitem['bstream'] = array();
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x8);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_KJ, $version), (int)($inputitem['size'] / 2));
+			for ($i=0; $i<$inputitem['size']; $i+=2) {
+				$val = (ord($inputitem['data'][$i]) << 8) | ord($inputitem['data'][$i+1]);
+				if ($val <= 0x9ffc) {
+					$val -= 0x8140;
+				} else {
+					$val -= 0xc140;
+				}
+				$h = ($val >> 8) * 0xc0;
+				$val = ($val & 0xff) + $h;
+				$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 13, $val);
+			}
+			return $inputitem;
+		}
+
+		/**
+		 * encodeModeStructure
+		 * @param array $inputitem
+		 * @return array input item
+		 */
+		 protected function encodeModeStructure($inputitem) {
+			$inputitem['bstream'] = array();
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x03);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, ord($inputitem['data'][1]) - 1);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, ord($inputitem['data'][0]) - 1);
+			$inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 8, ord($inputitem['data'][2]));
+			return $inputitem;
+		}
+
+		/**
+		 * encodeBitStream
+		 * @param array $inputitem
+		 * @param int $version
+		 * @return array input item
+		 */
+		 protected function encodeBitStream($inputitem, $version) {
+			$inputitem['bstream'] = array();
+			$words = $this->maximumWords($inputitem['mode'], $version);
+			if ($inputitem['size'] > $words) {
+				$st1 = $this->newInputItem($inputitem['mode'], $words, $inputitem['data']);
+				$st2 = $this->newInputItem($inputitem['mode'], $inputitem['size'] - $words, array_slice($inputitem['data'], $words));
+				$st1 = $this->encodeBitStream($st1, $version);
+				$st2 = $this->encodeBitStream($st2, $version);
+				$inputitem['bstream'] = array();
+				$inputitem['bstream'] = $this->appendBitstream($inputitem['bstream'], $st1['bstream']);
+				$inputitem['bstream'] = $this->appendBitstream($inputitem['bstream'], $st2['bstream']);
+			} else {
+				switch($inputitem['mode']) {
+					case QR_MODE_NM: {
+						$inputitem = $this->encodeModeNum($inputitem, $version);
+						break;
+					}
+					case QR_MODE_AN: {
+						$inputitem = $this->encodeModeAn($inputitem, $version);
+						break;
+					}
+					case QR_MODE_8B: {
+						$inputitem = $this->encodeMode8($inputitem, $version);
+						break;
+					}
+					case QR_MODE_KJ: {
+						$inputitem = $this->encodeModeKanji($inputitem, $version);
+						break;
+					}
+					case QR_MODE_ST: {
+						$inputitem = $this->encodeModeStructure($inputitem);
+						break;
+					}
+					default: {
+						break;
+					}
+				}
+			}
+			return $inputitem;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRinput
+
+		/**
+		 * Append data to an input object.
+		 * The data is copied and appended to the input object.
+		 * @param array items input items
+		 * @param int $mode encoding mode.
+		 * @param int $size size of data (byte).
+		 * @param array $data array of input data.
+		 * @return items
+		 *
+		 */
+		protected function appendNewInputItem($items, $mode, $size, $data) {
+			$items[] = $this->newInputItem($mode, $size, $data);
+			return $items;
+		}
+
+		/**
+		 * insertStructuredAppendHeader
+		 * @param array $items
+		 * @param int $size
+		 * @param int $index
+		 * @param int $parity
+		 * @return array items
+		 */
+		 protected function insertStructuredAppendHeader($items, $size, $index, $parity) {
+			if ($size > MAX_STRUCTURED_SYMBOLS) {
+				return -1;
+			}
+			if (($index <= 0) OR ($index > MAX_STRUCTURED_SYMBOLS)) {
+				return -1;
+			}
+			$buf = array($size, $index, $parity);
+			$entry = $this->newInputItem(QR_MODE_ST, 3, buf);
+			array_unshift($items, $entry);
+			return $items;
+		}
+
+		/**
+		 * calcParity
+		 * @param array $items
+		 * @return int parity
+		 */
+		 protected function calcParity($items) {
+			$parity = 0;
+			foreach ($items as $item) {
+				if ($item['mode'] != QR_MODE_ST) {
+					for ($i=$item['size']-1; $i>=0; --$i) {
+						$parity ^= $item['data'][$i];
+					}
+				}
+			}
+			return $parity;
+		}
+
+		/**
+		 * checkModeNum
+		 * @param int $size
+		 * @param array $data
+		 * @return boolean true or false
+		 */
+		 protected function checkModeNum($size, $data) {
+			for ($i=0; $i<$size; ++$i) {
+				if ((ord($data[$i]) < ord('0')) OR (ord($data[$i]) > ord('9'))){
+					return false;
+				}
+			}
+			return true;
+		}
+
+		/**
+		 * estimateBitsModeNum
+		 * @param int $size
+		 * @return int number of bits
+		 */
+		 protected function estimateBitsModeNum($size) {
+			$w = (int)$size / 3;
+			$bits = $w * 10;
+			switch($size - $w * 3) {
+				case 1: {
+					$bits += 4;
+					break;
+				}
+				case 2: {
+					$bits += 7;
+					break;
+				}
+				default: {
+					break;
+				}
+			}
+			return $bits;
+		}
+
+		/**
+		 * Look up the alphabet-numeric convesion table (see JIS X0510:2004, pp.19).
+		 * @param int $c character value
+		 * @return value
+		 */
+		protected function lookAnTable($c) {
+			return (($c > 127)?-1:$this->anTable[$c]);
+		}
+
+		/**
+		 * checkModeAn
+		 * @param int $size
+		 * @param array $data
+		 * @return boolean true or false
+		 */
+		 protected function checkModeAn($size, $data) {
+			for ($i=0; $i<$size; ++$i) {
+				if ($this->lookAnTable(ord($data[$i])) == -1) {
+					return false;
+				}
+			}
+			return true;
+		}
+
+		/**
+		 * estimateBitsModeAn
+		 * @param int $size
+		 * @return int number of bits
+		 */
+		 protected function estimateBitsModeAn($size) {
+			$w = (int)($size / 2);
+			$bits = $w * 11;
+			if ($size & 1) {
+				$bits += 6;
+			}
+			return $bits;
+		}
+
+		/**
+		 * estimateBitsMode8
+		 * @param int $size
+		 * @return int number of bits
+		 */
+		 protected function estimateBitsMode8($size) {
+			return $size * 8;
+		}
+
+		/**
+		 * estimateBitsModeKanji
+		 * @param int $size
+		 * @return int number of bits
+		 */
+		 protected function estimateBitsModeKanji($size) {
+			return (int)(($size / 2) * 13);
+		}
+
+		/**
+		 * checkModeKanji
+		 * @param int $size
+		 * @param array $data
+		 * @return boolean true or false
+		 */
+		 protected function checkModeKanji($size, $data) {
+			if ($size & 1) {
+				return false;
+			}
+			for ($i=0; $i<$size; $i+=2) {
+				$val = (ord($data[$i]) << 8) | ord($data[$i+1]);
+				if (($val < 0x8140) OR (($val > 0x9ffc) AND ($val < 0xe040)) OR ($val > 0xebbf)) {
+					return false;
+				}
+			}
+			return true;
+		}
+
+		/**
+		 * Validate the input data.
+		 * @param int $mode encoding mode.
+		 * @param int $size size of data (byte).
+		 * @param array data data to validate
+		 * @return boolean true in case of valid data, false otherwise
+		 */
+		protected function check($mode, $size, $data) {
+			if ($size <= 0) {
+				return false;
+			}
+			switch($mode) {
+				case QR_MODE_NM: {
+					return $this->checkModeNum($size, $data);
+				}
+				case QR_MODE_AN: {
+					return $this->checkModeAn($size, $data);
+				}
+				case QR_MODE_KJ: {
+					return $this->checkModeKanji($size, $data);
+				}
+				case QR_MODE_8B: {
+					return true;
+				}
+				case QR_MODE_ST: {
+					return true;
+				}
+				default: {
+					break;
+				}
+			}
+			return false;
+		}
+
+		/**
+		 * estimateBitStreamSize
+		 * @param array $items
+		 * @param int $version
+		 * @return int bits
+		 */
+		 protected function estimateBitStreamSize($items, $version) {
+			$bits = 0;
+			if ($version == 0) {
+				$version = 1;
+			}
+			foreach ($items as $item) {
+				switch($item['mode']) {
+					case QR_MODE_NM: {
+						$bits = $this->estimateBitsModeNum($item['size']);
+						break;
+					}
+					case QR_MODE_AN: {
+						$bits = $this->estimateBitsModeAn($item['size']);
+						break;
+					}
+					case QR_MODE_8B: {
+						$bits = $this->estimateBitsMode8($item['size']);
+						break;
+					}
+					case QR_MODE_KJ: {
+						$bits = $this->estimateBitsModeKanji($item['size']);
+						break;
+					}
+					case QR_MODE_ST: {
+						return STRUCTURE_HEADER_BITS;
+					}
+					default: {
+						return 0;
+					}
+				}
+				$l = $this->lengthIndicator($item['mode'], $version);
+				$m = 1 << $l;
+				$num = (int)(($item['size'] + $m - 1) / $m);
+				$bits += $num * (4 + $l);
+			}
+			return $bits;
+		}
+
+		/**
+		 * estimateVersion
+		 * @param array $items
+		 * @return int version
+		 */
+		 protected function estimateVersion($items) {
+			$version = 0;
+			$prev = 0;
+			do {
+				$prev = $version;
+				$bits = $this->estimateBitStreamSize($items, $prev);
+				$version = $this->getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+				if ($version < 0) {
+					return -1;
+				}
+			} while ($version > $prev);
+			return $version;
+		}
+
+		/**
+		 * lengthOfCode
+		 * @param int $mode
+		 * @param int $version
+		 * @param int $bits
+		 * @return int size
+		 */
+		 protected function lengthOfCode($mode, $version, $bits) {
+			$payload = $bits - 4 - $this->lengthIndicator($mode, $version);
+			switch($mode) {
+				case QR_MODE_NM: {
+					$chunks = (int)($payload / 10);
+					$remain = $payload - $chunks * 10;
+					$size = $chunks * 3;
+					if ($remain >= 7) {
+						$size += 2;
+					} elseif ($remain >= 4) {
+						$size += 1;
+					}
+					break;
+				}
+				case QR_MODE_AN: {
+					$chunks = (int)($payload / 11);
+					$remain = $payload - $chunks * 11;
+					$size = $chunks * 2;
+					if ($remain >= 6) {
+						++$size;
+					}
+					break;
+				}
+				case QR_MODE_8B: {
+					$size = (int)($payload / 8);
+					break;
+				}
+				case QR_MODE_KJ: {
+					$size = (int)(($payload / 13) * 2);
+					break;
+				}
+				case QR_MODE_ST: {
+					$size = (int)($payload / 8);
+					break;
+				}
+				default: {
+					$size = 0;
+					break;
+				}
+			}
+			$maxsize = $this->maximumWords($mode, $version);
+			if ($size < 0) {
+				$size = 0;
+			}
+			if ($size > $maxsize) {
+				$size = $maxsize;
+			}
+			return $size;
+		}
+
+		/**
+		 * createBitStream
+		 * @param array $items
+		 * @return array of items and total bits
+		 */
+		 protected function createBitStream($items) {
+			$total = 0;
+			foreach ($items as $key => $item) {
+				$items[$key] = $this->encodeBitStream($item, $this->version);
+				$bits = count($items[$key]['bstream']);
+				$total += $bits;
+			}
+			return array($items, $total);
+		}
+
+		/**
+		 * convertData
+		 * @param array $items
+		 * @return array items
+		 */
+		 protected function convertData($items) {
+			$ver = $this->estimateVersion($items);
+			if ($ver > $this->version) {
+				$this->version = $ver;
+			}
+			for (;;) {
+				$cbs = $this->createBitStream($items);
+				$items = $cbs[0];
+				$bits = $cbs[1];
+				if ($bits < 0) {
+					return -1;
+				}
+				$ver = $this->getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+				if ($ver < 0) {
+					return -1;
+				} elseif ($ver > $this->version) {
+					$this->version = $ver;
+				} else {
+					break;
+				}
+			}
+			return $items;
+		}
+
+		/**
+		 * Append Padding Bit to bitstream
+		 * @param array $bstream
+		 * @return array bitstream
+		 */
+		 protected function appendPaddingBit($bstream) {
+			$bits = count($bstream);
+			$maxwords = $this->getDataLength($this->version, $this->level);
+			$maxbits = $maxwords * 8;
+			if ($maxbits == $bits) {
+				return 0;
+			}
+			if ($maxbits - $bits < 5) {
+				return $this->appendNum($bstream, $maxbits - $bits, 0);
+			}
+			$bits += 4;
+			$words = (int)(($bits + 7) / 8);
+			$padding = array();
+			$padding = $this->appendNum($padding, $words * 8 - $bits + 4, 0);
+			$padlen = $maxwords - $words;
+			if ($padlen > 0) {
+				$padbuf = array();
+				for ($i=0; $i<$padlen; ++$i) {
+					$padbuf[$i] = ($i&1)?0x11:0xec;
+				}
+				$padding = $this->appendBytes($padding, $padlen, $padbuf);
+			}
+			return $this->appendBitstream($bstream, $padding);
+		}
+
+		/**
+		 * mergeBitStream
+		 * @param array $bstream
+		 * @return array bitstream
+		 */
+		 protected function mergeBitStream($items) {
+			$items = $this->convertData($items);
+			$bstream = array();
+			foreach ($items as $item) {
+				$bstream = $this->appendBitstream($bstream, $item['bstream']);
+			}
+			return $bstream;
+		}
+
+		/**
+		 * Returns a stream of bits.
+		 * @param int $items
+		 * @return array padded merged byte stream
+		 */
+		protected function getBitStream($items) {
+			$bstream = $this->mergeBitStream($items);
+			return $this->appendPaddingBit($bstream);
+		}
+
+		/**
+		 * Pack all bit streams padding bits into a byte array.
+		 * @param int $items
+		 * @return array padded merged byte stream
+		 */
+		protected function getByteStream($items) {
+			$bstream = $this->getBitStream($items);
+			return $this->bitstreamToByte($bstream);
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRbitstream
+
+		/**
+		 * Return an array with zeros
+		 * @param int $setLength array size
+		 * @return array
+		 */
+		 protected function allocate($setLength) {
+			return array_fill(0, $setLength, 0);
+		}
+
+		/**
+		 * Return new bitstream from number
+		 * @param int $bits number of bits
+		 * @param int $num number
+		 * @return array bitstream
+		 */
+		 protected function newFromNum($bits, $num) {
+			$bstream = $this->allocate($bits);
+			$mask = 1 << ($bits - 1);
+			for ($i=0; $i<$bits; ++$i) {
+				if ($num & $mask) {
+					$bstream[$i] = 1;
+				} else {
+					$bstream[$i] = 0;
+				}
+				$mask = $mask >> 1;
+			}
+			return $bstream;
+		}
+
+		/**
+		 * Return new bitstream from bytes
+		 * @param int $size size
+		 * @param array $data bytes
+		 * @return array bitstream
+		 */
+		 protected function newFromBytes($size, $data) {
+			$bstream = $this->allocate($size * 8);
+			$p=0;
+			for ($i=0; $i<$size; ++$i) {
+				$mask = 0x80;
+				for ($j=0; $j<8; ++$j) {
+					if ($data[$i] & $mask) {
+						$bstream[$p] = 1;
+					} else {
+						$bstream[$p] = 0;
+					}
+					$p++;
+					$mask = $mask >> 1;
+				}
+			}
+			return $bstream;
+		}
+
+		/**
+		 * Append one bitstream to another
+		 * @param array $bitstream original bitstream
+		 * @param array $append bitstream to append
+		 * @return array bitstream
+		 */
+		 protected function appendBitstream($bitstream, $append) {
+			if ((!is_array($append)) OR (count($append) == 0)) {
+				return $bitstream;
+			}
+			if (count($bitstream) == 0) {
+				return $append;
+			}
+			return array_values(array_merge($bitstream, $append));
+		}
+
+		/**
+		 * Append one bitstream created from number to another
+		 * @param array $bitstream original bitstream
+		 * @param int $bits number of bits
+		 * @param int $num number
+		 * @return array bitstream
+		 */
+		 protected function appendNum($bitstream, $bits, $num) {
+			if ($bits == 0) {
+				return 0;
+			}
+			$b = $this->newFromNum($bits, $num);
+			return $this->appendBitstream($bitstream, $b);
+		}
+
+		/**
+		 * Append one bitstream created from bytes to another
+		 * @param array $bitstream original bitstream
+		 * @param int $size size
+		 * @param array $data bytes
+		 * @return array bitstream
+		 */
+		 protected function appendBytes($bitstream, $size, $data) {
+			if ($size == 0) {
+				return 0;
+			}
+			$b = $this->newFromBytes($size, $data);
+			return $this->appendBitstream($bitstream, $b);
+		}
+
+		/**
+		 * Convert bitstream to bytes
+		 * @param array $bitstream original bitstream
+		 * @return array of bytes
+		 */
+		 protected function bitstreamToByte($bstream) {
+			$size = count($bstream);
+			if ($size == 0) {
+				return array();
+			}
+			$data = array_fill(0, (int)(($size + 7) / 8), 0);
+			$bytes = (int)($size / 8);
+			$p = 0;
+			for ($i=0; $i<$bytes; $i++) {
+				$v = 0;
+				for ($j=0; $j<8; $j++) {
+					$v = $v << 1;
+					$v |= $bstream[$p];
+					$p++;
+				}
+				$data[$i] = $v;
+			}
+			if ($size & 7) {
+				$v = 0;
+				for ($j=0; $j<($size & 7); $j++) {
+					$v = $v << 1;
+					$v |= $bstream[$p];
+					$p++;
+				}
+				$data[$bytes] = $v;
+			}
+			return $data;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRspec
+
+		/**
+		 * Replace a value on the array at the specified position
+		 * @param array $srctab
+		 * @param int $x X position
+		 * @param int $y Y position
+		 * @param string $repl value to replace
+		 * @param int $replLen length of the repl string
+		 * @return array srctab
+		 */
+		 protected function qrstrset($srctab, $x, $y, $repl, $replLen=false) {
+			$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));
+			return $srctab;
+		}
+
+		/**
+		 * Return maximum data code length (bytes) for the version.
+		 * @param int $version version
+		 * @param int $level error correction level
+		 * @return int maximum size (bytes)
+		 */
+		protected function getDataLength($version, $level) {
+			return $this->capacity[$version][QRCAP_WORDS] - $this->capacity[$version][QRCAP_EC][$level];
+		}
+
+		/**
+		 * Return maximum error correction code length (bytes) for the version.
+		 * @param int $version version
+		 * @param int $level error correction level
+		 * @return int ECC size (bytes)
+		 */
+		protected function getECCLength($version, $level){
+			return $this->capacity[$version][QRCAP_EC][$level];
+		}
+
+		/**
+		 * Return the width of the symbol for the version.
+		 * @param int $version version
+		 * @return int width
+		 */
+		protected function getWidth($version) {
+			return $this->capacity[$version][QRCAP_WIDTH];
+		}
+
+		/**
+		 * Return the numer of remainder bits.
+		 * @param int $version version
+		 * @return int number of remainder bits
+		 */
+		protected function getRemainder($version) {
+			return $this->capacity[$version][QRCAP_REMINDER];
+		}
+
+		/**
+		 * Return a version number that satisfies the input code length.
+		 * @param int $size input code length (byte)
+		 * @param int $level error correction level
+		 * @return int version number
+		 */
+		protected function getMinimumVersion($size, $level) {
+			for ($i=1; $i <= QRSPEC_VERSION_MAX; ++$i) {
+				$words  = $this->capacity[$i][QRCAP_WORDS] - $this->capacity[$i][QRCAP_EC][$level];
+				if ($words >= $size) {
+					return $i;
+				}
+			}
+			return -1;
+		}
+
+		/**
+		 * Return the size of length indicator for the mode and version.
+		 * @param int $mode encoding mode
+		 * @param int $version version
+		 * @return int the size of the appropriate length indicator (bits).
+		 */
+		protected function lengthIndicator($mode, $version) {
+			if ($mode == QR_MODE_ST) {
+				return 0;
+			}
+			if ($version <= 9) {
+				$l = 0;
+			} elseif ($version <= 26) {
+				$l = 1;
+			} else {
+				$l = 2;
+			}
+			return $this->lengthTableBits[$mode][$l];
+		}
+
+		/**
+		 * Return the maximum length for the mode and version.
+		 * @param int $mode encoding mode
+		 * @param int $version version
+		 * @return int the maximum length (bytes)
+		 */
+		protected function maximumWords($mode, $version) {
+			if ($mode == QR_MODE_ST) {
+				return 3;
+			}
+			if ($version <= 9) {
+				$l = 0;
+			} else if ($version <= 26) {
+				$l = 1;
+			} else {
+				$l = 2;
+			}
+			$bits = $this->lengthTableBits[$mode][$l];
+			$words = (1 << $bits) - 1;
+			if ($mode == QR_MODE_KJ) {
+				$words *= 2; // the number of bytes is required
+			}
+			return $words;
+		}
+
+		/**
+		 * Return an array of ECC specification.
+		 * @param int $version version
+		 * @param int $level error correction level
+		 * @param array $spec an array of ECC specification contains as following: {# of type1 blocks, # of data code, # of ecc code, # of type2 blocks, # of data code}
+		 * @return array spec
+		 */
+		protected function getEccSpec($version, $level, $spec) {
+			if (count($spec) < 5) {
+				$spec = array(0, 0, 0, 0, 0);
+			}
+			$b1 = $this->eccTable[$version][$level][0];
+			$b2 = $this->eccTable[$version][$level][1];
+			$data = $this->getDataLength($version, $level);
+			$ecc = $this->getECCLength($version, $level);
+			if ($b2 == 0) {
+				$spec[0] = $b1;
+				$spec[1] = (int)($data / $b1);
+				$spec[2] = (int)($ecc / $b1);
+				$spec[3] = 0;
+				$spec[4] = 0;
+			} else {
+				$spec[0] = $b1;
+				$spec[1] = (int)($data / ($b1 + $b2));
+				$spec[2] = (int)($ecc  / ($b1 + $b2));
+				$spec[3] = $b2;
+				$spec[4] = $spec[1] + 1;
+			}
+			return $spec;
+		}
+
+		/**
+		 * Put an alignment marker.
+		 * @param array $frame frame
+		 * @param int $width width
+		 * @param int $ox X center coordinate of the pattern
+		 * @param int $oy Y center coordinate of the pattern
+		 * @return array frame
+		 */
+		protected function putAlignmentMarker($frame, $ox, $oy) {
+			$finder = array(
+				"\xa1\xa1\xa1\xa1\xa1",
+				"\xa1\xa0\xa0\xa0\xa1",
+				"\xa1\xa0\xa1\xa0\xa1",
+				"\xa1\xa0\xa0\xa0\xa1",
+				"\xa1\xa1\xa1\xa1\xa1"
+				);
+			$yStart = $oy - 2;
+			$xStart = $ox - 2;
+			for ($y=0; $y < 5; $y++) {
+				$frame = $this->qrstrset($frame, $xStart, $yStart+$y, $finder[$y]);
+			}
+			return $frame;
+		}
+
+		/**
+		 * Put an alignment pattern.
+		 * @param int $version version
+		 * @param array $fram frame
+		 * @param int $width width
+		 * @return array frame
+		 */
+		 protected function putAlignmentPattern($version, $frame, $width) {
+			if ($version < 2) {
+				return $frame;
+			}
+			$d = $this->alignmentPattern[$version][1] - $this->alignmentPattern[$version][0];
+			if ($d < 0) {
+				$w = 2;
+			} else {
+				$w = (int)(($width - $this->alignmentPattern[$version][0]) / $d + 2);
+			}
+			if ($w * $w - 3 == 1) {
+				$x = $this->alignmentPattern[$version][0];
+				$y = $this->alignmentPattern[$version][0];
+				$frame = $this->putAlignmentMarker($frame, $x, $y);
+				return $frame;
+			}
+			$cx = $this->alignmentPattern[$version][0];
+			$wo = $w - 1;
+			for ($x=1; $x < $wo; ++$x) {
+				$frame = $this->putAlignmentMarker($frame, 6, $cx);
+				$frame = $this->putAlignmentMarker($frame, $cx,  6);
+				$cx += $d;
+			}
+			$cy = $this->alignmentPattern[$version][0];
+			for ($y=0; $y < $wo; ++$y) {
+				$cx = $this->alignmentPattern[$version][0];
+				for ($x=0; $x < $wo; ++$x) {
+					$frame = $this->putAlignmentMarker($frame, $cx, $cy);
+					$cx += $d;
+				}
+				$cy += $d;
+			}
+			return $frame;
+		}
+
+		/**
+		 * Return BCH encoded version information pattern that is used for the symbol of version 7 or greater. Use lower 18 bits.
+		 * @param int $version version
+		 * @return BCH encoded version information pattern
+		 */
+		protected function getVersionPattern($version) {
+			if (($version < 7) OR ($version > QRSPEC_VERSION_MAX)) {
+				return 0;
+			}
+			return $this->versionPattern[($version - 7)];
+		}
+
+		/**
+		 * Return BCH encoded format information pattern.
+		 * @param array $mask
+		 * @param int $level error correction level
+		 * @return BCH encoded format information pattern
+		 */
+		protected function getFormatInfo($mask, $level) {
+			if (($mask < 0) OR ($mask > 7)) {
+				return 0;
+			}
+			if (($level < 0) OR ($level > 3)) {
+				return 0;
+			}
+			return $this->formatInfo[$level][$mask];
+		}
+
+		/**
+		 * Put a finder pattern.
+		 * @param array $frame frame
+		 * @param int $width width
+		 * @param int $ox X center coordinate of the pattern
+		 * @param int $oy Y center coordinate of the pattern
+		 * @return array frame
+		 */
+		protected function putFinderPattern($frame, $ox, $oy) {
+			$finder = array(
+			"\xc1\xc1\xc1\xc1\xc1\xc1\xc1",
+			"\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+			"\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+			"\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+			"\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+			"\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+			"\xc1\xc1\xc1\xc1\xc1\xc1\xc1"
+			);
+			for ($y=0; $y < 7; $y++) {
+				$frame = $this->qrstrset($frame, $ox, ($oy + $y), $finder[$y]);
+			}
+			return $frame;
+		}
+
+		/**
+		 * Return a copy of initialized frame.
+		 * @param int $version version
+		 * @return Array of unsigned char.
+		 */
+		protected function createFrame($version) {
+			$width = $this->capacity[$version][QRCAP_WIDTH];
+			$frameLine = str_repeat ("\0", $width);
+			$frame = array_fill(0, $width, $frameLine);
+			// Finder pattern
+			$frame = $this->putFinderPattern($frame, 0, 0);
+			$frame = $this->putFinderPattern($frame, $width - 7, 0);
+			$frame = $this->putFinderPattern($frame, 0, $width - 7);
+			// Separator
+			$yOffset = $width - 7;
+			for ($y=0; $y < 7; ++$y) {
+				$frame[$y][7] = "\xc0";
+				$frame[$y][$width - 8] = "\xc0";
+				$frame[$yOffset][7] = "\xc0";
+				++$yOffset;
+			}
+			$setPattern = str_repeat("\xc0", 8);
+			$frame = $this->qrstrset($frame, 0, 7, $setPattern);
+			$frame = $this->qrstrset($frame, $width-8, 7, $setPattern);
+			$frame = $this->qrstrset($frame, 0, $width - 8, $setPattern);
+			// Format info
+			$setPattern = str_repeat("\x84", 9);
+			$frame = $this->qrstrset($frame, 0, 8, $setPattern);
+			$frame = $this->qrstrset($frame, $width - 8, 8, $setPattern, 8);
+			$yOffset = $width - 8;
+			for ($y=0; $y < 8; ++$y,++$yOffset) {
+				$frame[$y][8] = "\x84";
+				$frame[$yOffset][8] = "\x84";
+			}
+			// Timing pattern
+			$wo = $width - 15;
+			for ($i=1; $i < $wo; ++$i) {
+				$frame[6][7+$i] = chr(0x90 | ($i & 1));
+				$frame[7+$i][6] = chr(0x90 | ($i & 1));
+			}
+			// Alignment pattern
+			$frame = $this->putAlignmentPattern($version, $frame, $width);
+			// Version information
+			if ($version >= 7) {
+				$vinf = $this->getVersionPattern($version);
+				$v = $vinf;
+				for ($x=0; $x<6; ++$x) {
+					for ($y=0; $y<3; ++$y) {
+						$frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1));
+						$v = $v >> 1;
+					}
+				}
+				$v = $vinf;
+				for ($y=0; $y<6; ++$y) {
+					for ($x=0; $x<3; ++$x) {
+						$frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1));
+						$v = $v >> 1;
+					}
+				}
+			}
+			// and a little bit...
+			$frame[$width - 8][8] = "\x81";
+			return $frame;
+		}
+
+		/**
+		 * Set new frame for the specified version.
+		 * @param int $version version
+		 * @return Array of unsigned char.
+		 */
+		protected function newFrame($version) {
+			if (($version < 1) OR ($version > QRSPEC_VERSION_MAX)) {
+				return NULL;
+			}
+			if (!isset($this->frames[$version])) {
+				$this->frames[$version] = $this->createFrame($version);
+			}
+			if (is_null($this->frames[$version])) {
+				return NULL;
+			}
+			return $this->frames[$version];
+		}
+
+		/**
+		 * Return block number 0
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsBlockNum($spec) {
+			return ($spec[0] + $spec[3]);
+		}
+
+		/**
+		* Return block number 1
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsBlockNum1($spec) {
+			return $spec[0];
+		}
+
+		/**
+		 * Return data codes 1
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsDataCodes1($spec) {
+			return $spec[1];
+		}
+
+		/**
+		 * Return ecc codes 1
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsEccCodes1($spec) {
+			return $spec[2];
+		}
+
+		/**
+		 * Return block number 2
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsBlockNum2($spec) {
+			return $spec[3];
+		}
+
+		/**
+		 * Return data codes 2
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsDataCodes2($spec) {
+			return $spec[4];
+		}
+
+		/**
+		 * Return ecc codes 2
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsEccCodes2($spec) {
+			return $spec[2];
+		}
+
+		/**
+		 * Return data length
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsDataLength($spec) {
+			return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);
+		}
+
+		/**
+		 * Return ecc length
+		 * @param array $spec
+		 * @return int value
+		 */
+		 protected function rsEccLength($spec) {
+			return ($spec[0] + $spec[3]) * $spec[2];
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRrs
+
+		/**
+		 * Initialize a Reed-Solomon codec and add it to existing rsitems
+		 * @param int $symsize symbol size, bits
+		 * @param int $gfpoly  Field generator polynomial coefficients
+		 * @param int $fcr  first root of RS code generator polynomial, index form
+		 * @param int $prim  primitive element to generate polynomial roots
+		 * @param int $nroots RS code generator polynomial degree (number of roots)
+		 * @param int $pad  padding bytes at front of shortened block
+		 * @return array Array of RS values:<ul><li>mm = Bits per symbol;</li><li>nn = Symbols per block;</li><li>alpha_to = log lookup table array;</li><li>index_of = Antilog lookup table array;</li><li>genpoly = Generator polynomial array;</li><li>nroots = Number of generator;</li><li>roots = number of parity symbols;</li><li>fcr = First consecutive root, index form;</li><li>prim = Primitive element, index form;</li><li>iprim = prim-th root of 1, index form;</li><li>pad = Padding bytes in shortened block;</li><li>gfpoly</ul>.
+		 */
+		 protected function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad) {
+			foreach ($this->rsitems as $rs) {
+				if (($rs['pad'] != $pad) OR ($rs['nroots'] != $nroots) OR ($rs['mm'] != $symsize)
+					OR ($rs['gfpoly'] != $gfpoly) OR ($rs['fcr'] != $fcr) OR ($rs['prim'] != $prim)) {
+					continue;
+				}
+				return $rs;
+			}
+			$rs = $this->init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);
+			array_unshift($this->rsitems, $rs);
+			return $rs;
+		}
+
+		// - - - - - - - - - - - - - - - - - - - - - - - - -
+
+		// QRrsItem
+
+		/**
+		 * modnn
+		 * @param array RS values
+		 * @param int $x X position
+		 * @return int X osition
+		 */
+		 protected function modnn($rs, $x) {
+			while ($x >= $rs['nn']) {
+				$x -= $rs['nn'];
+				$x = ($x >> $rs['mm']) + ($x & $rs['nn']);
+			}
+			return $x;
+		}
+
+		/**
+		 * Initialize a Reed-Solomon codec and returns an array of values.
+		 * @param int $symsize symbol size, bits
+		 * @param int $gfpoly  Field generator polynomial coefficients
+		 * @param int $fcr  first root of RS code generator polynomial, index form
+		 * @param int $prim  primitive element to generate polynomial roots
+		 * @param int $nroots RS code generator polynomial degree (number of roots)
+		 * @param int $pad  padding bytes at front of shortened block
+		 * @return array Array of RS values:<ul><li>mm = Bits per symbol;</li><li>nn = Symbols per block;</li><li>alpha_to = log lookup table array;</li><li>index_of = Antilog lookup table array;</li><li>genpoly = Generator polynomial array;</li><li>nroots = Number of generator;</li><li>roots = number of parity symbols;</li><li>fcr = First consecutive root, index form;</li><li>prim = Primitive element, index form;</li><li>iprim = prim-th root of 1, index form;</li><li>pad = Padding bytes in shortened block;</li><li>gfpoly</ul>.
+		 */
+		protected function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad) {
+			// Based on Reed solomon encoder by Phil Karn, KA9Q (GNU-LGPLv2)
+			$rs = null;
+			// Check parameter ranges
+			if (($symsize < 0) OR ($symsize > 8)) {
+				return $rs;
+			}
+			if (($fcr < 0) OR ($fcr >= (1<<$symsize))) {
+				return $rs;
+			}
+			if (($prim <= 0) OR ($prim >= (1<<$symsize))) {
+				return $rs;
+			}
+			if (($nroots < 0) OR ($nroots >= (1<<$symsize))) {
+				return $rs;
+			}
+			if (($pad < 0) OR ($pad >= ((1<<$symsize) -1 - $nroots))) {
+				return $rs;
+			}
+			$rs = array();
+			$rs['mm'] = $symsize;
+			$rs['nn'] = (1 << $symsize) - 1;
+			$rs['pad'] = $pad;
+			$rs['alpha_to'] = array_fill(0, ($rs['nn'] + 1), 0);
+			$rs['index_of'] = array_fill(0, ($rs['nn'] + 1), 0);
+			// PHP style macro replacement ;)
+			$NN =& $rs['nn'];
+			$A0 =& $NN;
+			// Generate Galois field lookup tables
+			$rs['index_of'][0] = $A0; // log(zero) = -inf
+			$rs['alpha_to'][$A0] = 0; // alpha**-inf = 0
+			$sr = 1;
+			for ($i=0; $i<$rs['nn']; ++$i) {
+				$rs['index_of'][$sr] = $i;
+				$rs['alpha_to'][$i] = $sr;
+				$sr <<= 1;
+				if ($sr & (1 << $symsize)) {
+					$sr ^= $gfpoly;
+				}
+				$sr &= $rs['nn'];
+			}
+			if ($sr != 1) {
+				// field generator polynomial is not primitive!
+				return NULL;
+			}
+			// Form RS code generator polynomial from its roots
+			$rs['genpoly'] = array_fill(0, ($nroots + 1), 0);
+			$rs['fcr'] = $fcr;
+			$rs['prim'] = $prim;
+			$rs['nroots'] = $nroots;
+			$rs['gfpoly'] = $gfpoly;
+			// Find prim-th root of 1, used in decoding
+			for ($iprim=1; ($iprim % $prim) != 0; $iprim += $rs['nn']) {
+				; // intentional empty-body loop!
+			}
+			$rs['iprim'] = (int)($iprim / $prim);
+			$rs['genpoly'][0] = 1;
+
+
+			for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {
+				$rs['genpoly'][$i+1] = 1;
+				// Multiply rs->genpoly[] by  @**(root + x)
+				for ($j = $i; $j > 0; --$j) {
+					if ($rs['genpoly'][$j] != 0) {
+						$rs['genpoly'][$j] = $rs['genpoly'][$j-1] ^ $rs['alpha_to'][$this->modnn($rs, $rs['index_of'][$rs['genpoly'][$j]] + $root)];
+					} else {
+						$rs['genpoly'][$j] = $rs['genpoly'][$j-1];
+					}
+				}
+				// rs->genpoly[0] can never be zero
+				$rs['genpoly'][0] = $rs['alpha_to'][$this->modnn($rs, $rs['index_of'][$rs['genpoly'][0]] + $root)];
+			}
+			// convert rs->genpoly[] to index form for quicker encoding
+			for ($i = 0; $i <= $nroots; ++$i) {
+				$rs['genpoly'][$i] = $rs['index_of'][$rs['genpoly'][$i]];
+			}
+			return $rs;
+		}
+
+		/**
+		 * Encode a Reed-Solomon codec and returns the parity array
+		 * @param array $rs RS values
+		 * @param array $data data
+		 * @param array $parity parity
+		 * @return parity array
+		 */
+		 protected function encode_rs_char($rs, $data, $parity) {
+			$MM       =& $rs['mm']; // bits per symbol
+			$NN       =& $rs['nn']; // the total number of symbols in a RS block
+			$ALPHA_TO =& $rs['alpha_to']; // the address of an array of NN elements to convert Galois field elements in index (log) form to polynomial form
+			$INDEX_OF =& $rs['index_of']; // the address of an array of NN elements to convert Galois field elements in polynomial form to index (log) form
+			$GENPOLY  =& $rs['genpoly']; // an array of NROOTS+1 elements containing the generator polynomial in index form
+			$NROOTS   =& $rs['nroots']; // the number of roots in the RS code generator polynomial, which is the same as the number of parity symbols in a block
+			$FCR      =& $rs['fcr']; // first consecutive root, index form
+			$PRIM     =& $rs['prim']; // primitive element, index form
+			$IPRIM    =& $rs['iprim']; // prim-th root of 1, index form
+			$PAD      =& $rs['pad']; // the number of pad symbols in a block
+			$A0       =& $NN;
+			$parity = array_fill(0, $NROOTS, 0);
+			for ($i=0; $i < ($NN - $NROOTS - $PAD); $i++) {
+				$feedback = $INDEX_OF[$data[$i] ^ $parity[0]];
+				if ($feedback != $A0) {
+					// feedback term is non-zero
+					// This line is unnecessary when GENPOLY[NROOTS] is unity, as it must
+					// always be for the polynomials constructed by init_rs()
+					$feedback = $this->modnn($rs, $NN - $GENPOLY[$NROOTS] + $feedback);
+					for ($j=1; $j < $NROOTS; ++$j) {
+					$parity[$j] ^= $ALPHA_TO[$this->modnn($rs, $feedback + $GENPOLY[($NROOTS - $j)])];
+					}
+				}
+				// Shift
+				array_shift($parity);
+				if ($feedback != $A0) {
+					array_push($parity, $ALPHA_TO[$this->modnn($rs, $feedback + $GENPOLY[0])]);
+				} else {
+					array_push($parity, 0);
+				}
+			}
+			return $parity;
+		}
+
+	} // end QRcode class
+
+} // END OF "class_exists QRcode"
+?>
diff --git a/library/phpqrcode/cache/frame_1.dat b/library/phpqrcode/cache/frame_1.dat
new file mode 100644
index 000000000..be28feac4
--- /dev/null
+++ b/library/phpqrcode/cache/frame_1.dat
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diff --git a/library/phpqrcode/cache/frame_1.png b/library/phpqrcode/cache/frame_1.png
new file mode 100644
index 000000000..86ce6e98d
--- /dev/null
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new file mode 100644
index 000000000..aff163f68
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new file mode 100644
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new file mode 100644
index 000000000..95af68a47
--- /dev/null
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diff --git a/library/phpqrcode/cache/frame_11.png b/library/phpqrcode/cache/frame_11.png
new file mode 100644
index 000000000..c07c761f1
--- /dev/null
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new file mode 100644
index 000000000..73228b362
--- /dev/null
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diff --git a/library/phpqrcode/cache/frame_12.png b/library/phpqrcode/cache/frame_12.png
new file mode 100644
index 000000000..8ba67822c
--- /dev/null
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new file mode 100644
index 000000000..2256f0e34
--- /dev/null
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new file mode 100644
index 000000000..6e49d35a0
--- /dev/null
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new file mode 100644
index 000000000..e9ae09329
--- /dev/null
+++ b/library/phpqrcode/cache/frame_14.dat
diff --git a/library/phpqrcode/cache/frame_14.png b/library/phpqrcode/cache/frame_14.png
new file mode 100644
index 000000000..efc36c034
--- /dev/null
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new file mode 100644
index 000000000..18727818d
--- /dev/null
+++ b/library/phpqrcode/cache/frame_15.dat
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new file mode 100644
index 000000000..a9f416c7c
--- /dev/null
+++ b/library/phpqrcode/cache/frame_15.png
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
index 000000000..8cbaa1961
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diff --git a/library/phpqrcode/cache/frame_28.png b/library/phpqrcode/cache/frame_28.png
new file mode 100644
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new file mode 100644
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+++ b/library/phpqrcode/cache/mask_7/mask_61_7.dat
@@ -0,0 +1,2 @@
+xÚí—K
+À D÷sšäþ—+-µ*5ÿm²¤cŸaT¢1Ø9—�YÌ쌧êL9Â糶¬²çísù//i‡‡Ê\„éb®ö©æÂÄ«âÞë-"^²DŒH-iÝ;bnA¢¼™7ófîet¶7Ù·yÌ£E:r”<4ß6ó(üu÷y{K3oæ"óÌý|a½�oÌ?ᜟ‡ïç«Ÿ“ò´pù9åýœj~NêÆ›Èìs�¹ÑçTYú¡Âu
\ No newline at end of file
diff --git a/library/phpqrcode/cache/mask_7/mask_65_7.dat b/library/phpqrcode/cache/mask_7/mask_65_7.dat
new file mode 100644
index 000000000..d8b920626
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_65_7.dat
@@ -0,0 +1 @@
+xÚí—A€ ïûøÿçŒI‘*í6^L!é…°¶¸i)mTÇT] VW\ï9�e@—4Ku^Â#N%:ö,ÖÙmYÈÂJNã„è9¯“Šà¶©ˆvAè2úþÑÏœ”HÉ"YüšÅÜö+?`ýBXDüBX̽{¿‹Á.³Ëw‘ÿ¨d‘,~΂k’,¸^ïbQâ~±.Ãà\¯wó®×ë^«Ï�÷îOY˜ÞEôJmXâ
ÑÏ"%
\ No newline at end of file
diff --git a/library/phpqrcode/cache/mask_7/mask_69_7.dat b/library/phpqrcode/cache/mask_7/mask_69_7.dat
new file mode 100644
index 000000000..c2db0204a
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_69_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_73_7.dat b/library/phpqrcode/cache/mask_7/mask_73_7.dat
new file mode 100644
index 000000000..f414e4a58
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_73_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_77_7.dat b/library/phpqrcode/cache/mask_7/mask_77_7.dat
new file mode 100644
index 000000000..3e52bfd3f
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_77_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_81_7.dat b/library/phpqrcode/cache/mask_7/mask_81_7.dat
new file mode 100644
index 000000000..78e08dfc6
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_81_7.dat
@@ -0,0 +1 @@
+xÚí™ÁÄ Dïó5ðÿ?×lÒ"ÍŠÝ•¹u4áÀa„>ukv
oÌ40Ý÷ãT±%9¯‘Ô6²ü÷ªU5‹*s�I{`¹ªÿ™_²>S?ç}(:yâTïlï{G&E\”Ö6¨õ}"A’¤X‹õXϬ«²³Ç<Âmwx°fÜá‘G”<k£ræU•eεεX‹µX‹µüZ~­s­;\¬ÅZ¬3ë¸|y¬	/ÍwÖÕÃp˯�ë×Æ÷ëUÛ[~Í}O¬«oÓ`mÌsÍÝ‘¤)~,Ý
\ No newline at end of file
diff --git a/library/phpqrcode/cache/mask_7/mask_85_7.dat b/library/phpqrcode/cache/mask_7/mask_85_7.dat
new file mode 100644
index 000000000..a53824aee
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_85_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_89_7.dat b/library/phpqrcode/cache/mask_7/mask_89_7.dat
new file mode 100644
index 000000000..32934a441
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_89_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_93_7.dat b/library/phpqrcode/cache/mask_7/mask_93_7.dat
new file mode 100644
index 000000000..1955f6b7d
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_93_7.dat
diff --git a/library/phpqrcode/cache/mask_7/mask_97_7.dat b/library/phpqrcode/cache/mask_7/mask_97_7.dat
new file mode 100644
index 000000000..b277368bd
--- /dev/null
+++ b/library/phpqrcode/cache/mask_7/mask_97_7.dat
@@ -0,0 +1,2 @@
+xÚíšáƒ0„ÿßÓÀû¿Ü²D[ÌÚâV.K¶«Iÿ`…â'ž³sxáº÷Âyä�å”$ùxãxÃ"Îéª×=O^&pêb¶ÊÈYʬž$êKŸÝ£àÁÉŽ8KŸ…ËÎeÃŒó
¡¥	ÔøŸ3:$bI,‰%±$–ÄÒYb襶
+M)¯TôŽ
%q®¬Èô綦EÿœX}jlØT—T—ôŽKbI,‰%±ô,ñõã_e[%íýŽöV]R]Ò;N,‰%±$–þ’%VŸ@`‰Ñ%pa©m€§—(}ñ_¥%í%ÚÛ¸ÚÛøÚÛÈ4¥='u)ai¿.;M¾ù>
\ No newline at end of file
diff --git a/library/phpqrcode/index.php b/library/phpqrcode/index.php
new file mode 100644
index 000000000..9e14b7eaa
--- /dev/null
+++ b/library/phpqrcode/index.php
@@ -0,0 +1,94 @@
+<?php    
+/*

+ * PHP QR Code encoder

+ *

+ * Exemplatory usage

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+    

+    echo "<h1>PHP QR Code</h1><hr/>";
+    

+    //set it to writable location, a place for temp generated PNG files

+    $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;

+    

+    //html PNG location prefix

+    $PNG_WEB_DIR = 'temp/';

+

+    include "qrlib.php";    

+    

+    //ofcourse we need rights to create temp dir

+    if (!file_exists($PNG_TEMP_DIR))

+        mkdir($PNG_TEMP_DIR);
+    

+    

+    $filename = $PNG_TEMP_DIR.'test.png';

+    

+    //processing form input

+    //remember to sanitize user input in real-life solution !!!

+    $errorCorrectionLevel = 'L';

+    if (isset($_REQUEST['level']) && in_array($_REQUEST['level'], array('L','M','Q','H')))

+        $errorCorrectionLevel = $_REQUEST['level'];    

+

+    $matrixPointSize = 4;

+    if (isset($_REQUEST['size']))

+        $matrixPointSize = min(max((int)$_REQUEST['size'], 1), 10);

+

+
+    if (isset($_REQUEST['data'])) { 

+    

+        //it's very important!

+        if (trim($_REQUEST['data']) == '')

+            die('data cannot be empty! <a href="?">back</a>');

+            
+        // user data

+        $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png';
+        QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);    

+        
+    } else {    

+    

+        //default data
+        echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>';    
+        QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);    

+        
+    }    
+        

+    //display generated file
+    echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><hr/>';  

+    

+    //config form

+    echo '<form action="index.php" method="post">

+        Data:&nbsp;<input name="data" value="'.(isset($_REQUEST['data'])?htmlspecialchars($_REQUEST['data']):'PHP QR Code :)').'" />&nbsp;

+        ECC:&nbsp;<select name="level">

+            <option value="L"'.(($errorCorrectionLevel=='L')?' selected':'').'>L - smallest</option>

+            <option value="M"'.(($errorCorrectionLevel=='M')?' selected':'').'>M</option>

+            <option value="Q"'.(($errorCorrectionLevel=='Q')?' selected':'').'>Q</option>

+            <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>

+        </select>&nbsp;

+        Size:&nbsp;<select name="size">';

+        

+    for($i=1;$i<=10;$i++)

+        echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';

+        

+    echo '</select>&nbsp;

+        <input type="submit" value="GENERATE"></form><hr/>';

+        

+    // benchmark
+    QRtools::timeBenchmark();    
+
+    
\ No newline at end of file
diff --git a/library/phpqrcode/phpqrcode.php b/library/phpqrcode/phpqrcode.php
new file mode 100644
index 000000000..80adb9df2
--- /dev/null
+++ b/library/phpqrcode/phpqrcode.php
@@ -0,0 +1,3312 @@
+<?php

+

+/*

+ * PHP QR Code encoder

+ *

+ * This file contains MERGED version of PHP QR Code library.

+ * It was auto-generated from full version for your convenience.

+ *

+ * This merged version was configured to not requre any external files,

+ * with disabled cache, error loging and weker but faster mask matching.

+ * If you need tune it up please use non-merged version.

+ *

+ * For full version, documentation, examples of use please visit:

+ *

+ *    http://phpqrcode.sourceforge.net/

+ *    https://sourceforge.net/projects/phpqrcode/

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+ 
+
+/*
+ * Version: 1.1.4
+ * Build: 2010100721
+ */
+
+
+
+//---- qrconst.php -----------------------------
+
+
+
+

+

+/*

+ * PHP QR Code encoder

+ *

+ * Common constants

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+	// Encoding modes

+	 

+	define('QR_MODE_NUL', -1);

+	define('QR_MODE_NUM', 0);

+	define('QR_MODE_AN', 1);

+	define('QR_MODE_8', 2);

+	define('QR_MODE_KANJI', 3);

+	define('QR_MODE_STRUCTURE', 4);

+

+	// Levels of error correction.

+

+	define('QR_ECLEVEL_L', 0);

+	define('QR_ECLEVEL_M', 1);

+	define('QR_ECLEVEL_Q', 2);

+	define('QR_ECLEVEL_H', 3);

+	

+	// Supported output formats

+	

+	define('QR_FORMAT_TEXT', 0);

+	define('QR_FORMAT_PNG',  1);

+	

+	class qrstr {

+		public static function set(&$srctab, $x, $y, $repl, $replLen = false) {

+			$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));

+		}

+	}	
+
+
+
+//---- merged_config.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Config file, tuned-up for merged verion

+ */

+     

+    define('QR_CACHEABLE', false);       // use cache - more disk reads but less CPU power, masks and format templates are stored there

+    define('QR_CACHE_DIR', false);       // used when QR_CACHEABLE === true

+    define('QR_LOG_DIR', false);         // default error logs dir   

+    

+    define('QR_FIND_BEST_MASK', true);                                                          // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code

+    define('QR_FIND_FROM_RANDOM', 2);                                                       // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly

+    define('QR_DEFAULT_MASK', 2);                                                               // when QR_FIND_BEST_MASK === false

+                                                  

+    define('QR_PNG_MAXIMUM_SIZE',  1024);                                                       // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images

+                                                  
+
+
+
+//---- qrtools.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Toolset, handy and debug utilites.

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+

+    class QRtools {

+    

+        //----------------------------------------------------------------------

+        public static function binarize($frame)

+        {

+            $len = count($frame);

+            foreach ($frame as &$frameLine) {

+                

+                for($i=0; $i<$len; $i++) {

+                    $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';

+                }

+            }

+            

+            return $frame;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')

+        {

+            $barcode_array = array();

+            

+            if (!is_array($mode))

+                $mode = explode(',', $mode);

+                

+            $eccLevel = 'L';

+                

+            if (count($mode) > 1) {

+                $eccLevel = $mode[1];

+            }

+                

+            $qrTab = QRcode::text($code, false, $eccLevel);

+            $size = count($qrTab);

+                

+            $barcode_array['num_rows'] = $size;

+            $barcode_array['num_cols'] = $size;

+            $barcode_array['bcode'] = array();

+                

+            foreach ($qrTab as $line) {

+                $arrAdd = array();

+                foreach(str_split($line) as $char)

+                    $arrAdd[] = ($char=='1')?1:0;

+                $barcode_array['bcode'][] = $arrAdd;

+            }

+                    

+            return $barcode_array;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function clearCache()

+        {

+            self::$frames = array();

+        }

+        

+        //----------------------------------------------------------------------

+        public static function buildCache()

+        {

+			QRtools::markTime('before_build_cache');

+			

+			$mask = new QRmask();

+            for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) {

+                $frame = QRspec::newFrame($a);

+                if (QR_IMAGE) {

+                    $fileName = QR_CACHE_DIR.'frame_'.$a.'.png';

+                    QRimage::png(self::binarize($frame), $fileName, 1, 0);

+                }

+				

+				$width = count($frame);

+				$bitMask = array_fill(0, $width, array_fill(0, $width, 0));

+				for ($maskNo=0; $maskNo<8; $maskNo++)

+					$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);

+            }

+			

+			QRtools::markTime('after_build_cache');

+        }

+

+        //----------------------------------------------------------------------

+        public static function log($outfile, $err)

+        {

+            if (QR_LOG_DIR !== false) {

+                if ($err != '') {

+                    if ($outfile !== false) {

+                        file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);

+                    } else {

+                        file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);

+                    }

+                }    

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public static function dumpMask($frame) 

+        {

+            $width = count($frame);

+            for($y=0;$y<$width;$y++) {

+                for($x=0;$x<$width;$x++) {

+                    echo ord($frame[$y][$x]).',';

+                }

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public static function markTime($markerId)

+        {

+            list($usec, $sec) = explode(" ", microtime());

+            $time = ((float)$usec + (float)$sec);

+            

+            if (!isset($GLOBALS['qr_time_bench']))

+                $GLOBALS['qr_time_bench'] = array();

+            

+            $GLOBALS['qr_time_bench'][$markerId] = $time;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function timeBenchmark()

+        {

+            self::markTime('finish');

+        

+            $lastTime = 0;

+            $startTime = 0;

+            $p = 0;

+

+            echo '<table cellpadding="3" cellspacing="1">

+                    <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>

+                    <tbody>';

+

+            foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {

+                if ($p > 0) {

+                    echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';

+                } else {

+                    $startTime = $thisTime;

+                }

+                

+                $p++;

+                $lastTime = $thisTime;

+            }

+            

+            echo '</tbody><tfoot>

+                <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr>

+            </tfoot>

+            </table>';

+        }

+        

+    }

+    

+    //##########################################################################

+    

+    QRtools::markTime('start');

+    
+
+
+
+//---- qrspec.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * QR Code specifications

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * The following data / specifications are taken from

+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)

+ *  or

+ * "Automatic identification and data capture techniques -- 

+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('QRSPEC_VERSION_MAX', 40);

+    define('QRSPEC_WIDTH_MAX',   177);

+

+    define('QRCAP_WIDTH',        0);

+    define('QRCAP_WORDS',        1);

+    define('QRCAP_REMINDER',     2);

+    define('QRCAP_EC',           3);

+

+    class QRspec {

+    

+        public static $capacity = array(

+            array(  0,    0, 0, array(   0,    0,    0,    0)),

+            array( 21,   26, 0, array(   7,   10,   13,   17)), // 1

+            array( 25,   44, 7, array(  10,   16,   22,   28)),

+            array( 29,   70, 7, array(  15,   26,   36,   44)),

+            array( 33,  100, 7, array(  20,   36,   52,   64)),

+            array( 37,  134, 7, array(  26,   48,   72,   88)), // 5

+            array( 41,  172, 7, array(  36,   64,   96,  112)),

+            array( 45,  196, 0, array(  40,   72,  108,  130)),

+            array( 49,  242, 0, array(  48,   88,  132,  156)),

+            array( 53,  292, 0, array(  60,  110,  160,  192)),

+            array( 57,  346, 0, array(  72,  130,  192,  224)), //10

+            array( 61,  404, 0, array(  80,  150,  224,  264)),

+            array( 65,  466, 0, array(  96,  176,  260,  308)),

+            array( 69,  532, 0, array( 104,  198,  288,  352)),

+            array( 73,  581, 3, array( 120,  216,  320,  384)),

+            array( 77,  655, 3, array( 132,  240,  360,  432)), //15

+            array( 81,  733, 3, array( 144,  280,  408,  480)),

+            array( 85,  815, 3, array( 168,  308,  448,  532)),

+            array( 89,  901, 3, array( 180,  338,  504,  588)),

+            array( 93,  991, 3, array( 196,  364,  546,  650)),

+            array( 97, 1085, 3, array( 224,  416,  600,  700)), //20

+            array(101, 1156, 4, array( 224,  442,  644,  750)),

+            array(105, 1258, 4, array( 252,  476,  690,  816)),

+            array(109, 1364, 4, array( 270,  504,  750,  900)),

+            array(113, 1474, 4, array( 300,  560,  810,  960)),

+            array(117, 1588, 4, array( 312,  588,  870, 1050)), //25

+            array(121, 1706, 4, array( 336,  644,  952, 1110)),

+            array(125, 1828, 4, array( 360,  700, 1020, 1200)),

+            array(129, 1921, 3, array( 390,  728, 1050, 1260)),

+            array(133, 2051, 3, array( 420,  784, 1140, 1350)),

+            array(137, 2185, 3, array( 450,  812, 1200, 1440)), //30

+            array(141, 2323, 3, array( 480,  868, 1290, 1530)),

+            array(145, 2465, 3, array( 510,  924, 1350, 1620)),

+            array(149, 2611, 3, array( 540,  980, 1440, 1710)),

+            array(153, 2761, 3, array( 570, 1036, 1530, 1800)),

+            array(157, 2876, 0, array( 570, 1064, 1590, 1890)), //35

+            array(161, 3034, 0, array( 600, 1120, 1680, 1980)),

+            array(165, 3196, 0, array( 630, 1204, 1770, 2100)),

+            array(169, 3362, 0, array( 660, 1260, 1860, 2220)),

+            array(173, 3532, 0, array( 720, 1316, 1950, 2310)),

+            array(177, 3706, 0, array( 750, 1372, 2040, 2430)) //40

+        );

+        

+        //----------------------------------------------------------------------

+        public static function getDataLength($version, $level)

+        {

+            return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getECCLength($version, $level)

+        {

+            return self::$capacity[$version][QRCAP_EC][$level];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getWidth($version)

+        {

+            return self::$capacity[$version][QRCAP_WIDTH];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getRemainder($version)

+        {

+            return self::$capacity[$version][QRCAP_REMINDER];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getMinimumVersion($size, $level)

+        {

+

+            for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) {

+                $words  = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level];

+                if($words >= $size) 

+                    return $i;

+            }

+

+            return -1;

+        }

+    

+        //######################################################################

+        

+        public static $lengthTableBits = array(

+            array(10, 12, 14),

+            array( 9, 11, 13),

+            array( 8, 16, 16),

+            array( 8, 10, 12)

+        );

+        

+        //----------------------------------------------------------------------

+        public static function lengthIndicator($mode, $version)

+        {

+            if ($mode == QR_MODE_STRUCTURE)

+                return 0;

+                

+            if ($version <= 9) {

+                $l = 0;

+            } else if ($version <= 26) {

+                $l = 1;

+            } else {

+                $l = 2;

+            }

+

+            return self::$lengthTableBits[$mode][$l];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function maximumWords($mode, $version)

+        {

+            if($mode == QR_MODE_STRUCTURE) 

+                return 3;

+                

+            if($version <= 9) {

+                $l = 0;

+            } else if($version <= 26) {

+                $l = 1;

+            } else {

+                $l = 2;

+            }

+

+            $bits = self::$lengthTableBits[$mode][$l];

+            $words = (1 << $bits) - 1;

+            

+            if($mode == QR_MODE_KANJI) {

+                $words *= 2; // the number of bytes is required

+            }

+

+            return $words;

+        }

+

+        // Error correction code -----------------------------------------------

+        // Table of the error correction code (Reed-Solomon block)

+        // See Table 12-16 (pp.30-36), JIS X0510:2004.

+

+        public static $eccTable = array(

+            array(array( 0,  0), array( 0,  0), array( 0,  0), array( 0,  0)),

+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)), // 1

+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)),

+            array(array( 1,  0), array( 1,  0), array( 2,  0), array( 2,  0)),

+            array(array( 1,  0), array( 2,  0), array( 2,  0), array( 4,  0)),

+            array(array( 1,  0), array( 2,  0), array( 2,  2), array( 2,  2)), // 5

+            array(array( 2,  0), array( 4,  0), array( 4,  0), array( 4,  0)),

+            array(array( 2,  0), array( 4,  0), array( 2,  4), array( 4,  1)),

+            array(array( 2,  0), array( 2,  2), array( 4,  2), array( 4,  2)),

+            array(array( 2,  0), array( 3,  2), array( 4,  4), array( 4,  4)),

+            array(array( 2,  2), array( 4,  1), array( 6,  2), array( 6,  2)), //10

+            array(array( 4,  0), array( 1,  4), array( 4,  4), array( 3,  8)),

+            array(array( 2,  2), array( 6,  2), array( 4,  6), array( 7,  4)),

+            array(array( 4,  0), array( 8,  1), array( 8,  4), array(12,  4)),

+            array(array( 3,  1), array( 4,  5), array(11,  5), array(11,  5)),

+            array(array( 5,  1), array( 5,  5), array( 5,  7), array(11,  7)), //15

+            array(array( 5,  1), array( 7,  3), array(15,  2), array( 3, 13)),

+            array(array( 1,  5), array(10,  1), array( 1, 15), array( 2, 17)),

+            array(array( 5,  1), array( 9,  4), array(17,  1), array( 2, 19)),

+            array(array( 3,  4), array( 3, 11), array(17,  4), array( 9, 16)),

+            array(array( 3,  5), array( 3, 13), array(15,  5), array(15, 10)), //20

+            array(array( 4,  4), array(17,  0), array(17,  6), array(19,  6)),

+            array(array( 2,  7), array(17,  0), array( 7, 16), array(34,  0)),

+            array(array( 4,  5), array( 4, 14), array(11, 14), array(16, 14)),

+            array(array( 6,  4), array( 6, 14), array(11, 16), array(30,  2)),

+            array(array( 8,  4), array( 8, 13), array( 7, 22), array(22, 13)), //25

+            array(array(10,  2), array(19,  4), array(28,  6), array(33,  4)),

+            array(array( 8,  4), array(22,  3), array( 8, 26), array(12, 28)),

+            array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)),

+            array(array( 7,  7), array(21,  7), array( 1, 37), array(19, 26)),

+            array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), //30

+            array(array(13,  3), array( 2, 29), array(42,  1), array(23, 28)),

+            array(array(17,  0), array(10, 23), array(10, 35), array(19, 35)),

+            array(array(17,  1), array(14, 21), array(29, 19), array(11, 46)),

+            array(array(13,  6), array(14, 23), array(44,  7), array(59,  1)),

+            array(array(12,  7), array(12, 26), array(39, 14), array(22, 41)), //35

+            array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)),

+            array(array(17,  4), array(29, 14), array(49, 10), array(24, 46)),

+            array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)),

+            array(array(20,  4), array(40,  7), array(43, 22), array(10, 67)),

+            array(array(19,  6), array(18, 31), array(34, 34), array(20, 61)),//40

+        );                                                                       

+

+        //----------------------------------------------------------------------

+        // CACHEABLE!!!

+        

+        public static function getEccSpec($version, $level, array &$spec)

+        {

+            if (count($spec) < 5) {

+                $spec = array(0,0,0,0,0);

+            }

+

+            $b1   = self::$eccTable[$version][$level][0];

+            $b2   = self::$eccTable[$version][$level][1];

+            $data = self::getDataLength($version, $level);

+            $ecc  = self::getECCLength($version, $level);

+

+            if($b2 == 0) {

+                $spec[0] = $b1;

+                $spec[1] = (int)($data / $b1);

+                $spec[2] = (int)($ecc / $b1);

+                $spec[3] = 0; 

+                $spec[4] = 0;

+            } else {

+                $spec[0] = $b1;

+                $spec[1] = (int)($data / ($b1 + $b2));

+                $spec[2] = (int)($ecc  / ($b1 + $b2));

+                $spec[3] = $b2;

+                $spec[4] = $spec[1] + 1;

+            }

+        }

+

+        // Alignment pattern ---------------------------------------------------

+

+        // Positions of alignment patterns.

+        // This array includes only the second and the third position of the 

+        // alignment patterns. Rest of them can be calculated from the distance 

+        // between them.

+         

+        // See Table 1 in Appendix E (pp.71) of JIS X0510:2004.

+         

+        public static $alignmentPattern = array(      

+            array( 0,  0),

+            array( 0,  0), array(18,  0), array(22,  0), array(26,  0), array(30,  0), // 1- 5

+            array(34,  0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10

+            array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15

+            array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20

+            array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25

+            array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30

+            array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35

+            array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40

+        );                                                                                  

+

+        

+        /** --------------------------------------------------------------------

+         * Put an alignment marker.

+         * @param frame

+         * @param width

+         * @param ox,oy center coordinate of the pattern

+         */

+        public static function putAlignmentMarker(array &$frame, $ox, $oy)

+        {

+            $finder = array(

+                "\xa1\xa1\xa1\xa1\xa1",

+                "\xa1\xa0\xa0\xa0\xa1",

+                "\xa1\xa0\xa1\xa0\xa1",

+                "\xa1\xa0\xa0\xa0\xa1",

+                "\xa1\xa1\xa1\xa1\xa1"

+            );                        

+            

+            $yStart = $oy-2;         

+            $xStart = $ox-2;

+            

+            for($y=0; $y<5; $y++) {

+                QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function putAlignmentPattern($version, &$frame, $width)

+        {

+            if($version < 2)

+                return;

+

+            $d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0];

+            if($d < 0) {

+                $w = 2;

+            } else {

+                $w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2);

+            }

+

+            if($w * $w - 3 == 1) {

+                $x = self::$alignmentPattern[$version][0];

+                $y = self::$alignmentPattern[$version][0];

+                self::putAlignmentMarker($frame, $x, $y);

+                return;

+            }

+

+            $cx = self::$alignmentPattern[$version][0];

+            for($x=1; $x<$w - 1; $x++) {

+                self::putAlignmentMarker($frame, 6, $cx);

+                self::putAlignmentMarker($frame, $cx,  6);

+                $cx += $d;

+            }

+

+            $cy = self::$alignmentPattern[$version][0];

+            for($y=0; $y<$w-1; $y++) {

+                $cx = self::$alignmentPattern[$version][0];

+                for($x=0; $x<$w-1; $x++) {

+                    self::putAlignmentMarker($frame, $cx, $cy);

+                    $cx += $d;

+                }

+                $cy += $d;

+            }

+        }

+

+        // Version information pattern -----------------------------------------

+

+		// Version information pattern (BCH coded).

+        // See Table 1 in Appendix D (pp.68) of JIS X0510:2004.

+        

+		// size: [QRSPEC_VERSION_MAX - 6]

+		

+        public static $versionPattern = array(

+            0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d,

+            0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9,

+            0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75,

+            0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64,

+            0x27541, 0x28c69

+        );

+

+        //----------------------------------------------------------------------

+        public static function getVersionPattern($version)

+        {

+            if($version < 7 || $version > QRSPEC_VERSION_MAX)

+                return 0;

+

+            return self::$versionPattern[$version -7];

+        }

+

+        // Format information --------------------------------------------------

+        // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)

+        

+        public static $formatInfo = array(

+            array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),

+            array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),

+            array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),

+            array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)

+        );

+

+        public static function getFormatInfo($mask, $level)

+        {

+            if($mask < 0 || $mask > 7)

+                return 0;

+                

+            if($level < 0 || $level > 3)

+                return 0;                

+

+            return self::$formatInfo[$level][$mask];

+        }

+

+        // Frame ---------------------------------------------------------------

+        // Cache of initial frames.

+         

+        public static $frames = array();

+

+        /** --------------------------------------------------------------------

+         * Put a finder pattern.

+         * @param frame

+         * @param width

+         * @param ox,oy upper-left coordinate of the pattern

+         */

+        public static function putFinderPattern(&$frame, $ox, $oy)

+        {

+            $finder = array(

+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1",

+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",

+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1"

+            );                            

+            

+            for($y=0; $y<7; $y++) {

+                QRstr::set($frame, $ox, $oy+$y, $finder[$y]);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function createFrame($version)

+        {

+            $width = self::$capacity[$version][QRCAP_WIDTH];

+            $frameLine = str_repeat ("\0", $width);

+            $frame = array_fill(0, $width, $frameLine);

+

+            // Finder pattern

+            self::putFinderPattern($frame, 0, 0);

+            self::putFinderPattern($frame, $width - 7, 0);

+            self::putFinderPattern($frame, 0, $width - 7);

+            

+            // Separator

+            $yOffset = $width - 7;

+            

+            for($y=0; $y<7; $y++) {

+                $frame[$y][7] = "\xc0";

+                $frame[$y][$width - 8] = "\xc0";

+                $frame[$yOffset][7] = "\xc0";

+                $yOffset++;

+            }

+            

+            $setPattern = str_repeat("\xc0", 8);

+            

+            QRstr::set($frame, 0, 7, $setPattern);

+            QRstr::set($frame, $width-8, 7, $setPattern);

+            QRstr::set($frame, 0, $width - 8, $setPattern);

+        

+            // Format info

+            $setPattern = str_repeat("\x84", 9);

+            QRstr::set($frame, 0, 8, $setPattern);

+            QRstr::set($frame, $width - 8, 8, $setPattern, 8);

+            

+            $yOffset = $width - 8;

+

+            for($y=0; $y<8; $y++,$yOffset++) {

+                $frame[$y][8] = "\x84";

+                $frame[$yOffset][8] = "\x84";

+            }

+

+            // Timing pattern  

+            

+            for($i=1; $i<$width-15; $i++) {

+                $frame[6][7+$i] = chr(0x90 | ($i & 1));

+                $frame[7+$i][6] = chr(0x90 | ($i & 1));

+            }

+            

+            // Alignment pattern  

+            self::putAlignmentPattern($version, $frame, $width);

+            

+            // Version information 

+            if($version >= 7) {

+                $vinf = self::getVersionPattern($version);

+

+                $v = $vinf;

+                

+                for($x=0; $x<6; $x++) {

+                    for($y=0; $y<3; $y++) {

+                        $frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1));

+                        $v = $v >> 1;

+                    }

+                }

+

+                $v = $vinf;

+                for($y=0; $y<6; $y++) {

+                    for($x=0; $x<3; $x++) {

+                        $frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1));

+                        $v = $v >> 1;

+                    }

+                }

+            }

+    

+            // and a little bit...  

+            $frame[$width - 8][8] = "\x81";

+            

+            return $frame;

+        }

+

+        //----------------------------------------------------------------------

+        public static function debug($frame, $binary_mode = false)

+        {

+            if ($binary_mode) {

+            

+                    foreach ($frame as &$frameLine) {

+                        $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));

+                        $frameLine = join('&#9608;&#9608;', explode('1', $frameLine));

+                    }

+                    

+                    ?>

+                <style>

+                    .m { background-color: white; }

+                </style>

+                <?php

+                    echo '<pre><tt><br/ ><br/ ><br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';

+                    echo join("<br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;", $frame);

+                    echo '</tt></pre><br/ ><br/ ><br/ ><br/ ><br/ ><br/ >';

+            

+            } else {

+            

+                foreach ($frame as &$frameLine) {

+                    $frameLine = join('<span class="m">&nbsp;</span>',  explode("\xc0", $frameLine));

+                    $frameLine = join('<span class="m">&#9618;</span>', explode("\xc1", $frameLine));

+                    $frameLine = join('<span class="p">&nbsp;</span>',  explode("\xa0", $frameLine));

+                    $frameLine = join('<span class="p">&#9618;</span>', explode("\xa1", $frameLine));

+                    $frameLine = join('<span class="s">&#9671;</span>', explode("\x84", $frameLine)); //format 0

+                    $frameLine = join('<span class="s">&#9670;</span>', explode("\x85", $frameLine)); //format 1

+                    $frameLine = join('<span class="x">&#9762;</span>', explode("\x81", $frameLine)); //special bit

+                    $frameLine = join('<span class="c">&nbsp;</span>',  explode("\x90", $frameLine)); //clock 0

+                    $frameLine = join('<span class="c">&#9719;</span>', explode("\x91", $frameLine)); //clock 1

+                    $frameLine = join('<span class="f">&nbsp;</span>',  explode("\x88", $frameLine)); //version

+                    $frameLine = join('<span class="f">&#9618;</span>', explode("\x89", $frameLine)); //version

+                    $frameLine = join('&#9830;', explode("\x01", $frameLine));

+                    $frameLine = join('&#8901;', explode("\0", $frameLine));

+                }

+                

+                ?>

+                <style>

+                    .p { background-color: yellow; }

+                    .m { background-color: #00FF00; }

+                    .s { background-color: #FF0000; }

+                    .c { background-color: aqua; }

+                    .x { background-color: pink; }

+                    .f { background-color: gold; }

+                </style>

+                <?php

+                echo "<pre><tt>";

+                echo join("<br/ >", $frame);

+                echo "</tt></pre>";

+            

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function serial($frame)

+        {

+            return gzcompress(join("\n", $frame), 9);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function unserial($code)

+        {

+            return explode("\n", gzuncompress($code));

+        }

+        

+        //----------------------------------------------------------------------

+        public static function newFrame($version)

+        {

+            if($version < 1 || $version > QRSPEC_VERSION_MAX) 

+                return null;

+

+            if(!isset(self::$frames[$version])) {

+                

+                $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat';

+                

+                if (QR_CACHEABLE) {

+                    if (file_exists($fileName)) {

+                        self::$frames[$version] = self::unserial(file_get_contents($fileName));

+                    } else {

+                        self::$frames[$version] = self::createFrame($version);

+                        file_put_contents($fileName, self::serial(self::$frames[$version]));

+                    }

+                } else {

+                    self::$frames[$version] = self::createFrame($version);

+                }

+            }

+            

+            if(is_null(self::$frames[$version]))

+                return null;

+

+            return self::$frames[$version];

+        }

+

+        //----------------------------------------------------------------------

+        public static function rsBlockNum($spec)     { return $spec[0] + $spec[3]; }

+        public static function rsBlockNum1($spec)    { return $spec[0]; }

+        public static function rsDataCodes1($spec)   { return $spec[1]; }

+        public static function rsEccCodes1($spec)    { return $spec[2]; }

+        public static function rsBlockNum2($spec)    { return $spec[3]; }

+        public static function rsDataCodes2($spec)   { return $spec[4]; }

+        public static function rsEccCodes2($spec)    { return $spec[2]; }

+        public static function rsDataLength($spec)   { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);    }

+        public static function rsEccLength($spec)    { return ($spec[0] + $spec[3]) * $spec[2]; }

+        

+    }
+
+
+
+//---- qrimage.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Image output of code using GD2

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('QR_IMAGE', true);

+

+    class QRimage {

+    

+        //----------------------------------------------------------------------

+        public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) 

+        {

+            $image = self::image($frame, $pixelPerPoint, $outerFrame);

+            

+            if ($filename === false) {

+                Header("Content-type: image/png");

+                ImagePng($image);

+            } else {

+                if($saveandprint===TRUE){

+                    ImagePng($image, $filename);

+                    header("Content-type: image/png");

+                    ImagePng($image);

+                }else{

+                    ImagePng($image, $filename);

+                }

+            }

+            

+            ImageDestroy($image);

+        }

+    

+        //----------------------------------------------------------------------

+        public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) 

+        {

+            $image = self::image($frame, $pixelPerPoint, $outerFrame);

+            

+            if ($filename === false) {

+                Header("Content-type: image/jpeg");

+                ImageJpeg($image, null, $q);

+            } else {

+                ImageJpeg($image, $filename, $q);            

+            }

+            

+            ImageDestroy($image);

+        }

+    

+        //----------------------------------------------------------------------

+        private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) 

+        {

+            $h = count($frame);

+            $w = strlen($frame[0]);

+            

+            $imgW = $w + 2*$outerFrame;

+            $imgH = $h + 2*$outerFrame;

+            

+            $base_image =ImageCreate($imgW, $imgH);

+            

+            $col[0] = ImageColorAllocate($base_image,255,255,255);

+            $col[1] = ImageColorAllocate($base_image,0,0,0);

+

+            imagefill($base_image, 0, 0, $col[0]);

+

+            for($y=0; $y<$h; $y++) {

+                for($x=0; $x<$w; $x++) {

+                    if ($frame[$y][$x] == '1') {

+                        ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); 

+                    }

+                }

+            }

+            

+            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);

+            ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);

+            ImageDestroy($base_image);

+            

+            return $target_image;

+        }

+    }
+
+
+
+//---- qrinput.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Input encoding class

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('STRUCTURE_HEADER_BITS',  20);

+    define('MAX_STRUCTURED_SYMBOLS', 16);

+

+    class QRinputItem {

+    

+        public $mode;

+        public $size;

+        public $data;

+        public $bstream;

+

+        public function __construct($mode, $size, $data, $bstream = null) 

+        {

+            $setData = array_slice($data, 0, $size);

+            

+            if (count($setData) < $size) {

+                $setData = array_merge($setData, array_fill(0,$size-count($setData),0));

+            }

+        

+            if(!QRinput::check($mode, $size, $setData)) {

+                throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData));

+                return null;

+            }

+            

+            $this->mode = $mode;

+            $this->size = $size;

+            $this->data = $setData;

+            $this->bstream = $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeNum($version)

+        {

+            try {

+            

+                $words = (int)($this->size / 3);

+                $bs = new QRbitstream();

+                

+                $val = 0x1;

+                $bs->appendNum(4, $val);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size);

+

+                for($i=0; $i<$words; $i++) {

+                    $val  = (ord($this->data[$i*3  ]) - ord('0')) * 100;

+                    $val += (ord($this->data[$i*3+1]) - ord('0')) * 10;

+                    $val += (ord($this->data[$i*3+2]) - ord('0'));

+                    $bs->appendNum(10, $val);

+                }

+

+                if($this->size - $words * 3 == 1) {

+                    $val = ord($this->data[$words*3]) - ord('0');

+                    $bs->appendNum(4, $val);

+                } else if($this->size - $words * 3 == 2) {

+                    $val  = (ord($this->data[$words*3  ]) - ord('0')) * 10;

+                    $val += (ord($this->data[$words*3+1]) - ord('0'));

+                    $bs->appendNum(7, $val);

+                }

+

+                $this->bstream = $bs;

+                return 0;

+                

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeAn($version)

+        {

+            try {

+                $words = (int)($this->size / 2);

+                $bs = new QRbitstream();

+                

+                $bs->appendNum(4, 0x02);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size);

+

+                for($i=0; $i<$words; $i++) {

+                    $val  = (int)QRinput::lookAnTable(ord($this->data[$i*2  ])) * 45;

+                    $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1]));

+

+                    $bs->appendNum(11, $val);

+                }

+

+                if($this->size & 1) {

+                    $val = QRinput::lookAnTable(ord($this->data[$words * 2]));

+                    $bs->appendNum(6, $val);

+                }

+        

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeMode8($version)

+        {

+            try {

+                $bs = new QRbitstream();

+

+                $bs->appendNum(4, 0x4);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size);

+

+                for($i=0; $i<$this->size; $i++) {

+                    $bs->appendNum(8, ord($this->data[$i]));

+                }

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeKanji($version)

+        {

+            try {

+

+                $bs = new QRbitrtream();

+                

+                $bs->appendNum(4, 0x8);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2));

+

+                for($i=0; $i<$this->size; $i+=2) {

+                    $val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]);

+                    if($val <= 0x9ffc) {

+                        $val -= 0x8140;

+                    } else {

+                        $val -= 0xc140;

+                    }

+                    

+                    $h = ($val >> 8) * 0xc0;

+                    $val = ($val & 0xff) + $h;

+

+                    $bs->appendNum(13, $val);

+                }

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function encodeModeStructure()

+        {

+            try {

+                $bs =  new QRbitstream();

+                

+                $bs->appendNum(4, 0x03);

+                $bs->appendNum(4, ord($this->data[1]) - 1);

+                $bs->appendNum(4, ord($this->data[0]) - 1);

+                $bs->appendNum(8, ord($this->data[2]));

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateBitStreamSizeOfEntry($version)

+        {

+            $bits = 0;

+

+            if($version == 0) 

+                $version = 1;

+

+            switch($this->mode) {

+                case QR_MODE_NUM:        $bits = QRinput::estimateBitsModeNum($this->size);    break;

+                case QR_MODE_AN:        $bits = QRinput::estimateBitsModeAn($this->size);    break;

+                case QR_MODE_8:            $bits = QRinput::estimateBitsMode8($this->size);    break;

+                case QR_MODE_KANJI:        $bits = QRinput::estimateBitsModeKanji($this->size);break;

+                case QR_MODE_STRUCTURE:    return STRUCTURE_HEADER_BITS;            

+                default:

+                    return 0;

+            }

+

+            $l = QRspec::lengthIndicator($this->mode, $version);

+            $m = 1 << $l;

+            $num = (int)(($this->size + $m - 1) / $m);

+

+            $bits += $num * (4 + $l);

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeBitStream($version)

+        {

+            try {

+            

+                unset($this->bstream);

+                $words = QRspec::maximumWords($this->mode, $version);

+                

+                if($this->size > $words) {

+                

+                    $st1 = new QRinputItem($this->mode, $words, $this->data);

+                    $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words));

+

+                    $st1->encodeBitStream($version);

+                    $st2->encodeBitStream($version);

+                    

+                    $this->bstream = new QRbitstream();

+                    $this->bstream->append($st1->bstream);

+                    $this->bstream->append($st2->bstream);

+                    

+                    unset($st1);

+                    unset($st2);

+                    

+                } else {

+                    

+                    $ret = 0;

+                    

+                    switch($this->mode) {

+                        case QR_MODE_NUM:        $ret = $this->encodeModeNum($version);    break;

+                        case QR_MODE_AN:        $ret = $this->encodeModeAn($version);    break;

+                        case QR_MODE_8:            $ret = $this->encodeMode8($version);    break;

+                        case QR_MODE_KANJI:        $ret = $this->encodeModeKanji($version);break;

+                        case QR_MODE_STRUCTURE:    $ret = $this->encodeModeStructure();    break;

+                        

+                        default:

+                            break;

+                    }

+                    

+                    if($ret < 0)

+                        return -1;

+                }

+

+                return $this->bstream->size();

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+    };

+    

+    //##########################################################################

+

+    class QRinput {

+

+        public $items;

+        

+        private $version;

+        private $level;

+        

+        //----------------------------------------------------------------------

+        public function __construct($version = 0, $level = QR_ECLEVEL_L)

+        {

+            if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) {

+                throw new Exception('Invalid version no');

+                return NULL;

+            }

+            

+            $this->version = $version;

+            $this->level = $level;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getVersion()

+        {

+            return $this->version;

+        }

+        

+        //----------------------------------------------------------------------

+        public function setVersion($version)

+        {

+            if($version < 0 || $version > QRSPEC_VERSION_MAX) {

+                throw new Exception('Invalid version no');

+                return -1;

+            }

+

+            $this->version = $version;

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getErrorCorrectionLevel()

+        {

+            return $this->level;

+        }

+

+        //----------------------------------------------------------------------

+        public function setErrorCorrectionLevel($level)

+        {

+            if($level > QR_ECLEVEL_H) {

+                throw new Exception('Invalid ECLEVEL');

+                return -1;

+            }

+

+            $this->level = $level;

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendEntry(QRinputItem $entry)

+        {

+            $this->items[] = $entry;

+        }

+        

+        //----------------------------------------------------------------------

+        public function append($mode, $size, $data)

+        {

+            try {

+                $entry = new QRinputItem($mode, $size, $data);

+                $this->items[] = $entry;

+                return 0;

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        

+        public function insertStructuredAppendHeader($size, $index, $parity)

+        {

+            if( $size > MAX_STRUCTURED_SYMBOLS ) {

+                throw new Exception('insertStructuredAppendHeader wrong size');

+            }

+            

+            if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) {

+                throw new Exception('insertStructuredAppendHeader wrong index');

+            }

+

+            $buf = array($size, $index, $parity);

+            

+            try {

+                $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf);

+                array_unshift($this->items, $entry);

+                return 0;

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function calcParity()

+        {

+            $parity = 0;

+            

+            foreach($this->items as $item) {

+                if($item->mode != QR_MODE_STRUCTURE) {

+                    for($i=$item->size-1; $i>=0; $i--) {

+                        $parity ^= $item->data[$i];

+                    }

+                }

+            }

+

+            return $parity;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeNum($size, $data)

+        {

+            for($i=0; $i<$size; $i++) {

+                if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){

+                    return false;

+                }

+            }

+

+            return true;

+        }

+

+        //----------------------------------------------------------------------

+        public static function estimateBitsModeNum($size)

+        {

+            $w = (int)$size / 3;

+            $bits = $w * 10;

+            

+            switch($size - $w * 3) {

+                case 1:

+                    $bits += 4;

+                    break;

+                case 2:

+                    $bits += 7;

+                    break;

+                default:

+                    break;

+            }

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public static $anTable = array(

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,

+             0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,

+            -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,

+            25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1

+        );

+        

+        //----------------------------------------------------------------------

+        public static function lookAnTable($c)

+        {

+            return (($c > 127)?-1:self::$anTable[$c]);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeAn($size, $data)

+        {

+            for($i=0; $i<$size; $i++) {

+                if (self::lookAnTable(ord($data[$i])) == -1) {

+                    return false;

+                }

+            }

+

+            return true;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function estimateBitsModeAn($size)

+        {

+            $w = (int)($size / 2);

+            $bits = $w * 11;

+            

+            if($size & 1) {

+                $bits += 6;

+            }

+

+            return $bits;

+        }

+    

+        //----------------------------------------------------------------------

+        public static function estimateBitsMode8($size)

+        {

+            return $size * 8;

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateBitsModeKanji($size)

+        {

+            return (int)(($size / 2) * 13);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeKanji($size, $data)

+        {

+            if($size & 1)

+                return false;

+

+            for($i=0; $i<$size; $i+=2) {

+                $val = (ord($data[$i]) << 8) | ord($data[$i+1]);

+                if( $val < 0x8140 

+                || ($val > 0x9ffc && $val < 0xe040) 

+                || $val > 0xebbf) {

+                    return false;

+                }

+            }

+

+            return true;

+        }

+

+        /***********************************************************************

+         * Validation

+         **********************************************************************/

+

+        public static function check($mode, $size, $data)

+        {

+            if($size <= 0) 

+                return false;

+

+            switch($mode) {

+                case QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;

+                case QR_MODE_AN:        return self::checkModeAn($size, $data);    break;

+                case QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;

+                case QR_MODE_8:         return true; break;

+                case QR_MODE_STRUCTURE: return true; break;

+                

+                default:

+                    break;

+            }

+

+            return false;

+        }

+        

+        

+        //----------------------------------------------------------------------

+        public function estimateBitStreamSize($version)

+        {

+            $bits = 0;

+

+            foreach($this->items as $item) {

+                $bits += $item->estimateBitStreamSizeOfEntry($version);

+            }

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateVersion()

+        {

+            $version = 0;

+            $prev = 0;

+            do {

+                $prev = $version;

+                $bits = $this->estimateBitStreamSize($prev);

+                $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);

+                if ($version < 0) {

+                    return -1;

+                }

+            } while ($version > $prev);

+

+            return $version;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function lengthOfCode($mode, $version, $bits)

+        {

+            $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version);

+            switch($mode) {

+                case QR_MODE_NUM:

+                    $chunks = (int)($payload / 10);

+                    $remain = $payload - $chunks * 10;

+                    $size = $chunks * 3;

+                    if($remain >= 7) {

+                        $size += 2;

+                    } else if($remain >= 4) {

+                        $size += 1;

+                    }

+                    break;

+                case QR_MODE_AN:

+                    $chunks = (int)($payload / 11);

+                    $remain = $payload - $chunks * 11;

+                    $size = $chunks * 2;

+                    if($remain >= 6) 

+                        $size++;

+                    break;

+                case QR_MODE_8:

+                    $size = (int)($payload / 8);

+                    break;

+                case QR_MODE_KANJI:

+                    $size = (int)(($payload / 13) * 2);

+                    break;

+                case QR_MODE_STRUCTURE:

+                    $size = (int)($payload / 8);

+                    break;

+                default:

+                    $size = 0;

+                    break;

+            }

+            

+            $maxsize = QRspec::maximumWords($mode, $version);

+            if($size < 0) $size = 0;

+            if($size > $maxsize) $size = $maxsize;

+

+            return $size;

+        }

+        

+        //----------------------------------------------------------------------

+        public function createBitStream()

+        {

+            $total = 0;

+

+            foreach($this->items as $item) {

+                $bits = $item->encodeBitStream($this->version);

+                

+                if($bits < 0) 

+                    return -1;

+                    

+                $total += $bits;

+            }

+

+            return $total;

+        }

+        

+        //----------------------------------------------------------------------

+        public function convertData()

+        {

+            $ver = $this->estimateVersion();

+            if($ver > $this->getVersion()) {

+                $this->setVersion($ver);

+            }

+

+            for(;;) {

+                $bits = $this->createBitStream();

+                

+                if($bits < 0) 

+                    return -1;

+                    

+                $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);

+                if($ver < 0) {

+                    throw new Exception('WRONG VERSION');

+                    return -1;

+                } else if($ver > $this->getVersion()) {

+                    $this->setVersion($ver);

+                } else {

+                    break;

+                }

+            }

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendPaddingBit(&$bstream)

+        {

+            $bits = $bstream->size();

+            $maxwords = QRspec::getDataLength($this->version, $this->level);

+            $maxbits = $maxwords * 8;

+

+            if ($maxbits == $bits) {

+                return 0;

+            }

+

+            if ($maxbits - $bits < 5) {

+                return $bstream->appendNum($maxbits - $bits, 0);

+            }

+

+            $bits += 4;

+            $words = (int)(($bits + 7) / 8);

+

+            $padding = new QRbitstream();

+            $ret = $padding->appendNum($words * 8 - $bits + 4, 0);

+            

+            if($ret < 0) 

+                return $ret;

+

+            $padlen = $maxwords - $words;

+            

+            if($padlen > 0) {

+                

+                $padbuf = array();

+                for($i=0; $i<$padlen; $i++) {

+                    $padbuf[$i] = ($i&1)?0x11:0xec;

+                }

+                

+                $ret = $padding->appendBytes($padlen, $padbuf);

+                

+                if($ret < 0)

+                    return $ret;

+                

+            }

+

+            $ret = $bstream->append($padding);

+            

+            return $ret;

+        }

+

+        //----------------------------------------------------------------------

+        public function mergeBitStream()

+        {

+            if($this->convertData() < 0) {

+                return null;

+            }

+

+            $bstream = new QRbitstream();

+            

+            foreach($this->items as $item) {

+                $ret = $bstream->append($item->bstream);

+                if($ret < 0) {

+                    return null;

+                }

+            }

+

+            return $bstream;

+        }

+

+        //----------------------------------------------------------------------

+        public function getBitStream()

+        {

+

+            $bstream = $this->mergeBitStream();

+            

+            if($bstream == null) {

+                return null;

+            }

+            

+            $ret = $this->appendPaddingBit($bstream);

+            if($ret < 0) {

+                return null;

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getByteStream()

+        {

+            $bstream = $this->getBitStream();

+            if($bstream == null) {

+                return null;

+            }

+            

+            return $bstream->toByte();

+        }

+    }

+        

+        

+    
+
+
+
+//---- qrbitstream.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Bitstream class

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+     

+    class QRbitstream {

+    

+        public $data = array();

+        

+        //----------------------------------------------------------------------

+        public function size()

+        {

+            return count($this->data);

+        }

+        

+        //----------------------------------------------------------------------

+        public function allocate($setLength)

+        {

+            $this->data = array_fill(0, $setLength, 0);

+            return 0;

+        }

+    

+        //----------------------------------------------------------------------

+        public static function newFromNum($bits, $num)

+        {

+            $bstream = new QRbitstream();

+            $bstream->allocate($bits);

+            

+            $mask = 1 << ($bits - 1);

+            for($i=0; $i<$bits; $i++) {

+                if($num & $mask) {

+                    $bstream->data[$i] = 1;

+                } else {

+                    $bstream->data[$i] = 0;

+                }

+                $mask = $mask >> 1;

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function newFromBytes($size, $data)

+        {

+            $bstream = new QRbitstream();

+            $bstream->allocate($size * 8);

+            $p=0;

+

+            for($i=0; $i<$size; $i++) {

+                $mask = 0x80;

+                for($j=0; $j<8; $j++) {

+                    if($data[$i] & $mask) {

+                        $bstream->data[$p] = 1;

+                    } else {

+                        $bstream->data[$p] = 0;

+                    }

+                    $p++;

+                    $mask = $mask >> 1;

+                }

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function append(QRbitstream $arg)

+        {

+            if (is_null($arg)) {

+                return -1;

+            }

+            

+            if($arg->size() == 0) {

+                return 0;

+            }

+            

+            if($this->size() == 0) {

+                $this->data = $arg->data;

+                return 0;

+            }

+            

+            $this->data = array_values(array_merge($this->data, $arg->data));

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendNum($bits, $num)

+        {

+            if ($bits == 0) 

+                return 0;

+

+            $b = QRbitstream::newFromNum($bits, $num);

+            

+            if(is_null($b))

+                return -1;

+

+            $ret = $this->append($b);

+            unset($b);

+

+            return $ret;

+        }

+

+        //----------------------------------------------------------------------

+        public function appendBytes($size, $data)

+        {

+            if ($size == 0) 

+                return 0;

+

+            $b = QRbitstream::newFromBytes($size, $data);

+            

+            if(is_null($b))

+                return -1;

+

+            $ret = $this->append($b);

+            unset($b);

+

+            return $ret;

+        }

+        

+        //----------------------------------------------------------------------

+        public function toByte()

+        {

+        

+            $size = $this->size();

+

+            if($size == 0) {

+                return array();

+            }

+            

+            $data = array_fill(0, (int)(($size + 7) / 8), 0);

+            $bytes = (int)($size / 8);

+

+            $p = 0;

+            

+            for($i=0; $i<$bytes; $i++) {

+                $v = 0;

+                for($j=0; $j<8; $j++) {

+                    $v = $v << 1;

+                    $v |= $this->data[$p];

+                    $p++;

+                }

+                $data[$i] = $v;

+            }

+            

+            if($size & 7) {

+                $v = 0;

+                for($j=0; $j<($size & 7); $j++) {

+                    $v = $v << 1;

+                    $v |= $this->data[$p];

+                    $p++;

+                }

+                $data[$bytes] = $v;

+            }

+

+            return $data;

+        }

+

+    }

+
+
+
+
+//---- qrsplit.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Input splitting classes

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * The following data / specifications are taken from

+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)

+ *  or

+ * "Automatic identification and data capture techniques -- 

+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+    class QRsplit {

+

+        public $dataStr = '';

+        public $input;

+        public $modeHint;

+

+        //----------------------------------------------------------------------

+        public function __construct($dataStr, $input, $modeHint) 

+        {

+            $this->dataStr  = $dataStr;

+            $this->input    = $input;

+            $this->modeHint = $modeHint;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function isdigitat($str, $pos)

+        {    

+            if ($pos >= strlen($str))

+                return false;

+            

+            return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9')));

+        }

+        

+        //----------------------------------------------------------------------

+        public static function isalnumat($str, $pos)

+        {

+            if ($pos >= strlen($str))

+                return false;

+                

+            return (QRinput::lookAnTable(ord($str[$pos])) >= 0);

+        }

+

+        //----------------------------------------------------------------------

+        public function identifyMode($pos)

+        {

+            if ($pos >= strlen($this->dataStr)) 

+                return QR_MODE_NUL;

+                

+            $c = $this->dataStr[$pos];

+            

+            if(self::isdigitat($this->dataStr, $pos)) {

+                return QR_MODE_NUM;

+            } else if(self::isalnumat($this->dataStr, $pos)) {

+                return QR_MODE_AN;

+            } else if($this->modeHint == QR_MODE_KANJI) {

+            

+                if ($pos+1 < strlen($this->dataStr)) 

+                {

+                    $d = $this->dataStr[$pos+1];

+                    $word = (ord($c) << 8) | ord($d);

+                    if(($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) {

+                        return QR_MODE_KANJI;

+                    }

+                }

+            }

+

+            return QR_MODE_8;

+        } 

+        

+        //----------------------------------------------------------------------

+        public function eatNum()

+        {

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 0;

+            while(self::isdigitat($this->dataStr, $p)) {

+                $p++;

+            }

+            

+            $run = $p;

+            $mode = $this->identifyMode($p);

+            

+            if($mode == QR_MODE_8) {

+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln

+                     + QRinput::estimateBitsMode8(1)         // + 4 + l8

+                     - QRinput::estimateBitsMode8($run + 1); // - 4 - l8

+                if($dif > 0) {

+                    return $this->eat8();

+                }

+            }

+            if($mode == QR_MODE_AN) {

+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln

+                     + QRinput::estimateBitsModeAn(1)        // + 4 + la

+                     - QRinput::estimateBitsModeAn($run + 1);// - 4 - la

+                if($dif > 0) {

+                    return $this->eatAn();

+                }

+            }

+            

+            $ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+        

+        //----------------------------------------------------------------------

+        public function eatAn()

+        {

+            $la = QRspec::lengthIndicator(QR_MODE_AN,  $this->input->getVersion());

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 0;

+            

+            while(self::isalnumat($this->dataStr, $p)) {

+                if(self::isdigitat($this->dataStr, $p)) {

+                    $q = $p;

+                    while(self::isdigitat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    

+                    $dif = QRinput::estimateBitsModeAn($p) // + 4 + la

+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln

+                         - QRinput::estimateBitsModeAn($q); // - 4 - la

+                         

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else {

+                    $p++;

+                }

+            }

+

+            $run = $p;

+

+            if(!self::isalnumat($this->dataStr, $p)) {

+                $dif = QRinput::estimateBitsModeAn($run) + 4 + $la

+                     + QRinput::estimateBitsMode8(1) // + 4 + l8

+                      - QRinput::estimateBitsMode8($run + 1); // - 4 - l8

+                if($dif > 0) {

+                    return $this->eat8();

+                }

+            }

+

+            $ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+        

+        //----------------------------------------------------------------------

+        public function eatKanji()

+        {

+            $p = 0;

+            

+            while($this->identifyMode($p) == QR_MODE_KANJI) {

+                $p += 2;

+            }

+            

+            $ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+

+        //----------------------------------------------------------------------

+        public function eat8()

+        {

+            $la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 1;

+            $dataStrLen = strlen($this->dataStr);

+            

+            while($p < $dataStrLen) {

+                

+                $mode = $this->identifyMode($p);

+                if($mode == QR_MODE_KANJI) {

+                    break;

+                }

+                if($mode == QR_MODE_NUM) {

+                    $q = $p;

+                    while(self::isdigitat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    $dif = QRinput::estimateBitsMode8($p) // + 4 + l8

+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln

+                         - QRinput::estimateBitsMode8($q); // - 4 - l8

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else if($mode == QR_MODE_AN) {

+                    $q = $p;

+                    while(self::isalnumat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    $dif = QRinput::estimateBitsMode8($p)  // + 4 + l8

+                         + QRinput::estimateBitsModeAn($q - $p) + 4 + $la

+                         - QRinput::estimateBitsMode8($q); // - 4 - l8

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else {

+                    $p++;

+                }

+            }

+

+            $run = $p;

+            $ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));

+            

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+

+        //----------------------------------------------------------------------

+        public function splitString()

+        {

+            while (strlen($this->dataStr) > 0)

+            {

+                if($this->dataStr == '')

+                    return 0;

+

+                $mode = $this->identifyMode(0);

+                

+                switch ($mode) {

+                    case QR_MODE_NUM: $length = $this->eatNum(); break;

+                    case QR_MODE_AN:  $length = $this->eatAn(); break;

+                    case QR_MODE_KANJI:

+                        if ($hint == QR_MODE_KANJI)

+                                $length = $this->eatKanji();

+                        else    $length = $this->eat8();

+                        break;

+                    default: $length = $this->eat8(); break;

+                

+                }

+

+                if($length == 0) return 0;

+                if($length < 0)  return -1;

+                

+                $this->dataStr = substr($this->dataStr, $length);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function toUpper()

+        {

+            $stringLen = strlen($this->dataStr);

+            $p = 0;

+            

+            while ($p<$stringLen) {

+                $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);

+                if($mode == QR_MODE_KANJI) {

+                    $p += 2;

+                } else {

+                    if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {

+                        $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);

+                    }

+                    $p++;

+                }

+            }

+

+            return $this->dataStr;

+        }

+

+        //----------------------------------------------------------------------

+        public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)

+        {

+            if(is_null($string) || $string == '\0' || $string == '') {

+                throw new Exception('empty string!!!');

+            }

+

+            $split = new QRsplit($string, $input, $modeHint);

+            

+            if(!$casesensitive)

+                $split->toUpper();

+                

+            return $split->splitString();

+        }

+    }
+
+
+
+//---- qrrscode.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Reed-Solomon error correction support

+ * 

+ * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q

+ * (libfec is released under the GNU Lesser General Public License.)

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    class QRrsItem {

+    

+        public $mm;                  // Bits per symbol 

+        public $nn;                  // Symbols per block (= (1<<mm)-1) 

+        public $alpha_to = array();  // log lookup table 

+        public $index_of = array();  // Antilog lookup table 

+        public $genpoly = array();   // Generator polynomial 

+        public $nroots;              // Number of generator roots = number of parity symbols 

+        public $fcr;                 // First consecutive root, index form 

+        public $prim;                // Primitive element, index form 

+        public $iprim;               // prim-th root of 1, index form 

+        public $pad;                 // Padding bytes in shortened block 

+        public $gfpoly;

+    

+        //----------------------------------------------------------------------

+        public function modnn($x)

+        {

+            while ($x >= $this->nn) {

+                $x -= $this->nn;

+                $x = ($x >> $this->mm) + ($x & $this->nn);

+            }

+            

+            return $x;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)

+        {

+            // Common code for intializing a Reed-Solomon control block (char or int symbols)

+            // Copyright 2004 Phil Karn, KA9Q

+            // May be used under the terms of the GNU Lesser General Public License (LGPL)

+

+            $rs = null;

+            

+            // Check parameter ranges

+            if($symsize < 0 || $symsize > 8)                     return $rs;

+            if($fcr < 0 || $fcr >= (1<<$symsize))                return $rs;

+            if($prim <= 0 || $prim >= (1<<$symsize))             return $rs;

+            if($nroots < 0 || $nroots >= (1<<$symsize))          return $rs; // Can't have more roots than symbol values!

+            if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding

+

+            $rs = new QRrsItem();

+            $rs->mm = $symsize;

+            $rs->nn = (1<<$symsize)-1;

+            $rs->pad = $pad;

+

+            $rs->alpha_to = array_fill(0, $rs->nn+1, 0);

+            $rs->index_of = array_fill(0, $rs->nn+1, 0);

+          

+            // PHP style macro replacement ;)

+            $NN =& $rs->nn;

+            $A0 =& $NN;

+            

+            // Generate Galois field lookup tables

+            $rs->index_of[0] = $A0; // log(zero) = -inf

+            $rs->alpha_to[$A0] = 0; // alpha**-inf = 0

+            $sr = 1;

+          

+            for($i=0; $i<$rs->nn; $i++) {

+                $rs->index_of[$sr] = $i;

+                $rs->alpha_to[$i] = $sr;

+                $sr <<= 1;

+                if($sr & (1<<$symsize)) {

+                    $sr ^= $gfpoly;

+                }

+                $sr &= $rs->nn;

+            }

+            

+            if($sr != 1){

+                // field generator polynomial is not primitive!

+                $rs = NULL;

+                return $rs;

+            }

+

+            /* Form RS code generator polynomial from its roots */

+            $rs->genpoly = array_fill(0, $nroots+1, 0);

+        

+            $rs->fcr = $fcr;

+            $rs->prim = $prim;

+            $rs->nroots = $nroots;

+            $rs->gfpoly = $gfpoly;

+

+            /* Find prim-th root of 1, used in decoding */

+            for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn)

+            ; // intentional empty-body loop!

+            

+            $rs->iprim = (int)($iprim / $prim);

+            $rs->genpoly[0] = 1;

+            

+            for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {

+                $rs->genpoly[$i+1] = 1;

+

+                // Multiply rs->genpoly[] by  @**(root + x)

+                for ($j = $i; $j > 0; $j--) {

+                    if ($rs->genpoly[$j] != 0) {

+                        $rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];

+                    } else {

+                        $rs->genpoly[$j] = $rs->genpoly[$j-1];

+                    }

+                }

+                // rs->genpoly[0] can never be zero

+                $rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];

+            }

+            

+            // convert rs->genpoly[] to index form for quicker encoding

+            for ($i = 0; $i <= $nroots; $i++)

+                $rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]];

+

+            return $rs;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encode_rs_char($data, &$parity)

+        {

+            $MM       =& $this->mm;

+            $NN       =& $this->nn;

+            $ALPHA_TO =& $this->alpha_to;

+            $INDEX_OF =& $this->index_of;

+            $GENPOLY  =& $this->genpoly;

+            $NROOTS   =& $this->nroots;

+            $FCR      =& $this->fcr;

+            $PRIM     =& $this->prim;

+            $IPRIM    =& $this->iprim;

+            $PAD      =& $this->pad;

+            $A0       =& $NN;

+

+            $parity = array_fill(0, $NROOTS, 0);

+

+            for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) {

+                

+                $feedback = $INDEX_OF[$data[$i] ^ $parity[0]];

+                if($feedback != $A0) {      

+                    // feedback term is non-zero

+            

+                    // This line is unnecessary when GENPOLY[NROOTS] is unity, as it must

+                    // always be for the polynomials constructed by init_rs()

+                    $feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);

+            

+                    for($j=1;$j<$NROOTS;$j++) {

+                        $parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];

+                    }

+                }

+                

+                // Shift 

+                array_shift($parity);

+                if($feedback != $A0) {

+                    array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);

+                } else {

+                    array_push($parity, 0);

+                }

+            }

+        }

+    }

+    

+    //##########################################################################

+    

+    class QRrs {

+    

+        public static $items = array();

+        

+        //----------------------------------------------------------------------

+        public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)

+        {

+            foreach(self::$items as $rs) {

+                if($rs->pad != $pad)       continue;

+                if($rs->nroots != $nroots) continue;

+                if($rs->mm != $symsize)    continue;

+                if($rs->gfpoly != $gfpoly) continue;

+                if($rs->fcr != $fcr)       continue;

+                if($rs->prim != $prim)     continue;

+

+                return $rs;

+            }

+

+            $rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);

+            array_unshift(self::$items, $rs);

+

+            return $rs;

+        }

+    }
+
+
+
+//---- qrmask.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Masking

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+	define('N1', 3);

+	define('N2', 3);

+	define('N3', 40);

+	define('N4', 10);

+

+	class QRmask {

+	

+		public $runLength = array();

+		

+		//----------------------------------------------------------------------

+		public function __construct() 

+        {

+            $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);

+        }

+        

+        //----------------------------------------------------------------------

+        public function writeFormatInformation($width, &$frame, $mask, $level)

+        {

+            $blacks = 0;

+            $format =  QRspec::getFormatInfo($mask, $level);

+

+            for($i=0; $i<8; $i++) {

+                if($format & 1) {

+                    $blacks += 2;

+                    $v = 0x85;

+                } else {

+                    $v = 0x84;

+                }

+                

+                $frame[8][$width - 1 - $i] = chr($v);

+                if($i < 6) {

+                    $frame[$i][8] = chr($v);

+                } else {

+                    $frame[$i + 1][8] = chr($v);

+                }

+                $format = $format >> 1;

+            }

+            

+            for($i=0; $i<7; $i++) {

+                if($format & 1) {

+                    $blacks += 2;

+                    $v = 0x85;

+                } else {

+                    $v = 0x84;

+                }

+                

+                $frame[$width - 7 + $i][8] = chr($v);

+                if($i == 0) {

+                    $frame[8][7] = chr($v);

+                } else {

+                    $frame[8][6 - $i] = chr($v);

+                }

+                

+                $format = $format >> 1;

+            }

+

+            return $blacks;

+        }

+        

+        //----------------------------------------------------------------------

+        public function mask0($x, $y) { return ($x+$y)&1;                       }

+        public function mask1($x, $y) { return ($y&1);                          }

+        public function mask2($x, $y) { return ($x%3);                          }

+        public function mask3($x, $y) { return ($x+$y)%3;                       }

+        public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }

+        public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3;           }

+        public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1;       }

+        public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1;     }

+        

+        //----------------------------------------------------------------------

+        private function generateMaskNo($maskNo, $width, $frame)

+        {

+            $bitMask = array_fill(0, $width, array_fill(0, $width, 0));

+            

+            for($y=0; $y<$width; $y++) {

+                for($x=0; $x<$width; $x++) {

+                    if(ord($frame[$y][$x]) & 0x80) {

+                        $bitMask[$y][$x] = 0;

+                    } else {

+                        $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);

+                        $bitMask[$y][$x] = ($maskFunc == 0)?1:0;

+                    }

+                    

+                }

+            }

+            

+            return $bitMask;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function serial($bitFrame)

+        {

+            $codeArr = array();

+            

+            foreach ($bitFrame as $line)

+                $codeArr[] = join('', $line);

+                

+            return gzcompress(join("\n", $codeArr), 9);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function unserial($code)

+        {

+            $codeArr = array();

+            

+            $codeLines = explode("\n", gzuncompress($code));

+            foreach ($codeLines as $line)

+                $codeArr[] = str_split($line);

+            

+            return $codeArr;

+        }

+        

+        //----------------------------------------------------------------------

+        public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false) 

+        {

+            $b = 0;

+            $bitMask = array();

+            

+            $fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';

+

+            if (QR_CACHEABLE) {

+                if (file_exists($fileName)) {

+                    $bitMask = self::unserial(file_get_contents($fileName));

+                } else {

+                    $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);

+                    if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))

+                        mkdir(QR_CACHE_DIR.'mask_'.$maskNo);

+                    file_put_contents($fileName, self::serial($bitMask));

+                }

+            } else {

+                $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);

+            }

+

+            if ($maskGenOnly)

+                return;

+                

+            $d = $s;

+

+            for($y=0; $y<$width; $y++) {

+                for($x=0; $x<$width; $x++) {

+                    if($bitMask[$y][$x] == 1) {

+                        $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);

+                    }

+                    $b += (int)(ord($d[$y][$x]) & 1);

+                }

+            }

+

+            return $b;

+        }

+        

+        //----------------------------------------------------------------------

+        public function makeMask($width, $frame, $maskNo, $level)

+        {

+            $masked = array_fill(0, $width, str_repeat("\0", $width));

+            $this->makeMaskNo($maskNo, $width, $frame, $masked);

+            $this->writeFormatInformation($width, $masked, $maskNo, $level);

+       

+            return $masked;

+        }

+        

+        //----------------------------------------------------------------------

+        public function calcN1N3($length)

+        {

+            $demerit = 0;

+

+            for($i=0; $i<$length; $i++) {

+                

+                if($this->runLength[$i] >= 5) {

+                    $demerit += (N1 + ($this->runLength[$i] - 5));

+                }

+                if($i & 1) {

+                    if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {

+                        $fact = (int)($this->runLength[$i] / 3);

+                        if(($this->runLength[$i-2] == $fact) &&

+                           ($this->runLength[$i-1] == $fact) &&

+                           ($this->runLength[$i+1] == $fact) &&

+                           ($this->runLength[$i+2] == $fact)) {

+                            if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {

+                                $demerit += N3;

+                            } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {

+                                $demerit += N3;

+                            }

+                        }

+                    }

+                }

+            }

+            return $demerit;

+        }

+        

+        //----------------------------------------------------------------------

+        public function evaluateSymbol($width, $frame)

+        {

+            $head = 0;

+            $demerit = 0;

+

+            for($y=0; $y<$width; $y++) {

+                $head = 0;

+                $this->runLength[0] = 1;

+                

+                $frameY = $frame[$y];

+                

+                if ($y>0)

+                    $frameYM = $frame[$y-1];

+                

+                for($x=0; $x<$width; $x++) {

+                    if(($x > 0) && ($y > 0)) {

+                        $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);

+                        $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);

+                        

+                        if(($b22 | ($w22 ^ 1))&1) {                                                                     

+                            $demerit += N2;

+                        }

+                    }

+                    if(($x == 0) && (ord($frameY[$x]) & 1)) {

+                        $this->runLength[0] = -1;

+                        $head = 1;

+                        $this->runLength[$head] = 1;

+                    } else if($x > 0) {

+                        if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {

+                            $head++;

+                            $this->runLength[$head] = 1;

+                        } else {

+                            $this->runLength[$head]++;

+                        }

+                    }

+                }

+    

+                $demerit += $this->calcN1N3($head+1);

+            }

+

+            for($x=0; $x<$width; $x++) {

+                $head = 0;

+                $this->runLength[0] = 1;

+                

+                for($y=0; $y<$width; $y++) {

+                    if($y == 0 && (ord($frame[$y][$x]) & 1)) {

+                        $this->runLength[0] = -1;

+                        $head = 1;

+                        $this->runLength[$head] = 1;

+                    } else if($y > 0) {

+                        if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {

+                            $head++;

+                            $this->runLength[$head] = 1;

+                        } else {

+                            $this->runLength[$head]++;

+                        }

+                    }

+                }

+            

+                $demerit += $this->calcN1N3($head+1);

+            }

+

+            return $demerit;

+        }

+        

+        

+        //----------------------------------------------------------------------

+        public function mask($width, $frame, $level)

+        {

+            $minDemerit = PHP_INT_MAX;

+            $bestMaskNum = 0;

+            $bestMask = array();

+            

+            $checked_masks = array(0,1,2,3,4,5,6,7);

+            

+            if (QR_FIND_FROM_RANDOM !== false) {

+            

+                $howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);

+                for ($i = 0; $i <  $howManuOut; $i++) {

+                    $remPos = rand (0, count($checked_masks)-1);

+                    unset($checked_masks[$remPos]);

+                    $checked_masks = array_values($checked_masks);

+                }

+            

+            }

+            

+            $bestMask = $frame;

+             

+            foreach($checked_masks as $i) {

+                $mask = array_fill(0, $width, str_repeat("\0", $width));

+

+                $demerit = 0;

+                $blacks = 0;

+                $blacks  = $this->makeMaskNo($i, $width, $frame, $mask);

+                $blacks += $this->writeFormatInformation($width, $mask, $i, $level);

+                $blacks  = (int)(100 * $blacks / ($width * $width));

+                $demerit = (int)((int)(abs($blacks - 50) / 5) * N4);

+                $demerit += $this->evaluateSymbol($width, $mask);

+                

+                if($demerit < $minDemerit) {

+                    $minDemerit = $demerit;

+                    $bestMask = $mask;

+                    $bestMaskNum = $i;

+                }

+            }

+            

+            return $bestMask;

+        }

+        

+        //----------------------------------------------------------------------

+    }

+
+
+
+
+//---- qrencode.php -----------------------------
+
+
+
+

+/*

+ * PHP QR Code encoder

+ *

+ * Main encoder classes.

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    class QRrsblock {

+        public $dataLength;

+        public $data = array();

+        public $eccLength;

+        public $ecc = array();

+        

+        public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)

+        {

+            $rs->encode_rs_char($data, $ecc);

+        

+            $this->dataLength = $dl;

+            $this->data = $data;

+            $this->eccLength = $el;

+            $this->ecc = $ecc;

+        }

+    };

+    

+    //##########################################################################

+

+    class QRrawcode {

+        public $version;

+        public $datacode = array();

+        public $ecccode = array();

+        public $blocks;

+        public $rsblocks = array(); //of RSblock

+        public $count;

+        public $dataLength;

+        public $eccLength;

+        public $b1;

+        

+        //----------------------------------------------------------------------

+        public function __construct(QRinput $input)

+        {

+            $spec = array(0,0,0,0,0);

+            

+            $this->datacode = $input->getByteStream();

+            if(is_null($this->datacode)) {

+                throw new Exception('null imput string');

+            }

+

+            QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);

+

+            $this->version = $input->getVersion();

+            $this->b1 = QRspec::rsBlockNum1($spec);

+            $this->dataLength = QRspec::rsDataLength($spec);

+            $this->eccLength = QRspec::rsEccLength($spec);

+            $this->ecccode = array_fill(0, $this->eccLength, 0);

+            $this->blocks = QRspec::rsBlockNum($spec);

+            

+            $ret = $this->init($spec);

+            if($ret < 0) {

+                throw new Exception('block alloc error');

+                return null;

+            }

+

+            $this->count = 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function init(array $spec)

+        {

+            $dl = QRspec::rsDataCodes1($spec);

+            $el = QRspec::rsEccCodes1($spec);

+            $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);

+            

+

+            $blockNo = 0;

+            $dataPos = 0;

+            $eccPos = 0;

+            for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {

+                $ecc = array_slice($this->ecccode,$eccPos);

+                $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el,  $ecc, $rs);

+                $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);

+                

+                $dataPos += $dl;

+                $eccPos += $el;

+                $blockNo++;

+            }

+

+            if(QRspec::rsBlockNum2($spec) == 0)

+                return 0;

+

+            $dl = QRspec::rsDataCodes2($spec);

+            $el = QRspec::rsEccCodes2($spec);

+            $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);

+            

+            if($rs == NULL) return -1;

+            

+            for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {

+                $ecc = array_slice($this->ecccode,$eccPos);

+                $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);

+                $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);

+                

+                $dataPos += $dl;

+                $eccPos += $el;

+                $blockNo++;

+            }

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getCode()

+        {

+            $ret;

+

+            if($this->count < $this->dataLength) {

+                $row = $this->count % $this->blocks;

+                $col = $this->count / $this->blocks;

+                if($col >= $this->rsblocks[0]->dataLength) {

+                    $row += $this->b1;

+                }

+                $ret = $this->rsblocks[$row]->data[$col];

+            } else if($this->count < $this->dataLength + $this->eccLength) {

+                $row = ($this->count - $this->dataLength) % $this->blocks;

+                $col = ($this->count - $this->dataLength) / $this->blocks;

+                $ret = $this->rsblocks[$row]->ecc[$col];

+            } else {

+                return 0;

+            }

+            $this->count++;

+            

+            return $ret;

+        }

+    }

+

+    //##########################################################################

+    

+    class QRcode {

+    

+        public $version;

+        public $width;

+        public $data; 

+        

+        //----------------------------------------------------------------------

+        public function encodeMask(QRinput $input, $mask)

+        {

+            if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {

+                throw new Exception('wrong version');

+            }

+            if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {

+                throw new Exception('wrong level');

+            }

+

+            $raw = new QRrawcode($input);

+            

+            QRtools::markTime('after_raw');

+            

+            $version = $raw->version;

+            $width = QRspec::getWidth($version);

+            $frame = QRspec::newFrame($version);

+            

+            $filler = new FrameFiller($width, $frame);

+            if(is_null($filler)) {

+                return NULL;

+            }

+

+            // inteleaved data and ecc codes

+            for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {

+                $code = $raw->getCode();

+                $bit = 0x80;

+                for($j=0; $j<8; $j++) {

+                    $addr = $filler->next();

+                    $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));

+                    $bit = $bit >> 1;

+                }

+            }

+            

+            QRtools::markTime('after_filler');

+            

+            unset($raw);

+            

+            // remainder bits

+            $j = QRspec::getRemainder($version);

+            for($i=0; $i<$j; $i++) {

+                $addr = $filler->next();

+                $filler->setFrameAt($addr, 0x02);

+            }

+            

+            $frame = $filler->frame;

+            unset($filler);

+            

+            

+            // masking

+            $maskObj = new QRmask();

+            if($mask < 0) {

+            

+                if (QR_FIND_BEST_MASK) {

+                    $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());

+                } else {

+                    $masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());

+                }

+            } else {

+                $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());

+            }

+            

+            if($masked == NULL) {

+                return NULL;

+            }

+            

+            QRtools::markTime('after_mask');

+            

+            $this->version = $version;

+            $this->width = $width;

+            $this->data = $masked;

+            

+            return $this;

+        }

+    

+        //----------------------------------------------------------------------

+        public function encodeInput(QRinput $input)

+        {

+            return $this->encodeMask($input, -1);

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeString8bit($string, $version, $level)

+        {

+            if(string == NULL) {

+                throw new Exception('empty string!');

+                return NULL;

+            }

+

+            $input = new QRinput($version, $level);

+            if($input == NULL) return NULL;

+

+            $ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));

+            if($ret < 0) {

+                unset($input);

+                return NULL;

+            }

+            return $this->encodeInput($input);

+        }

+

+        //----------------------------------------------------------------------

+        public function encodeString($string, $version, $level, $hint, $casesensitive)

+        {

+

+            if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {

+                throw new Exception('bad hint');

+                return NULL;

+            }

+

+            $input = new QRinput($version, $level);

+            if($input == NULL) return NULL;

+

+            $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);

+            if($ret < 0) {

+                return NULL;

+            }

+

+            return $this->encodeInput($input);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encodePNG($text, $outfile, $saveandprint=false);

+        }

+

+        //----------------------------------------------------------------------

+        public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encode($text, $outfile);

+        }

+

+        //----------------------------------------------------------------------

+        public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encodeRAW($text, $outfile);

+        }

+    }

+    

+    //##########################################################################

+    

+    class FrameFiller {

+    

+        public $width;

+        public $frame;

+        public $x;

+        public $y;

+        public $dir;

+        public $bit;

+        

+        //----------------------------------------------------------------------

+        public function __construct($width, &$frame)

+        {

+            $this->width = $width;

+            $this->frame = $frame;

+            $this->x = $width - 1;

+            $this->y = $width - 1;

+            $this->dir = -1;

+            $this->bit = -1;

+        }

+        

+        //----------------------------------------------------------------------

+        public function setFrameAt($at, $val)

+        {

+            $this->frame[$at['y']][$at['x']] = chr($val);

+        }

+        

+        //----------------------------------------------------------------------

+        public function getFrameAt($at)

+        {

+            return ord($this->frame[$at['y']][$at['x']]);

+        }

+        

+        //----------------------------------------------------------------------

+        public function next()

+        {

+            do {

+            

+                if($this->bit == -1) {

+                    $this->bit = 0;

+                    return array('x'=>$this->x, 'y'=>$this->y);

+                }

+

+                $x = $this->x;

+                $y = $this->y;

+                $w = $this->width;

+

+                if($this->bit == 0) {

+                    $x--;

+                    $this->bit++;

+                } else {

+                    $x++;

+                    $y += $this->dir;

+                    $this->bit--;

+                }

+

+                if($this->dir < 0) {

+                    if($y < 0) {

+                        $y = 0;

+                        $x -= 2;

+                        $this->dir = 1;

+                        if($x == 6) {

+                            $x--;

+                            $y = 9;

+                        }

+                    }

+                } else {

+                    if($y == $w) {

+                        $y = $w - 1;

+                        $x -= 2;

+                        $this->dir = -1;

+                        if($x == 6) {

+                            $x--;

+                            $y -= 8;

+                        }

+                    }

+                }

+                if($x < 0 || $y < 0) return null;

+

+                $this->x = $x;

+                $this->y = $y;

+

+            } while(ord($this->frame[$y][$x]) & 0x80);

+                        

+            return array('x'=>$x, 'y'=>$y);

+        }

+        

+    } ;

+    

+    //##########################################################################    

+    

+    class QRencode {

+    

+        public $casesensitive = true;

+        public $eightbit = false;

+        

+        public $version = 0;

+        public $size = 3;

+        public $margin = 4;

+        

+        public $structured = 0; // not supported yet

+        

+        public $level = QR_ECLEVEL_L;

+        public $hint = QR_MODE_8;

+        

+        //----------------------------------------------------------------------

+        public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)

+        {

+            $enc = new QRencode();

+            $enc->size = $size;

+            $enc->margin = $margin;

+            

+            switch ($level.'') {

+                case '0':

+                case '1':

+                case '2':

+                case '3':

+                        $enc->level = $level;

+                    break;

+                case 'l':

+                case 'L':

+                        $enc->level = QR_ECLEVEL_L;

+                    break;

+                case 'm':

+                case 'M':

+                        $enc->level = QR_ECLEVEL_M;

+                    break;

+                case 'q':

+                case 'Q':

+                        $enc->level = QR_ECLEVEL_Q;

+                    break;

+                case 'h':

+                case 'H':

+                        $enc->level = QR_ECLEVEL_H;

+                    break;

+            }

+            

+            return $enc;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeRAW($intext, $outfile = false) 

+        {

+            $code = new QRcode();

+

+            if($this->eightbit) {

+                $code->encodeString8bit($intext, $this->version, $this->level);

+            } else {

+                $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);

+            }

+            

+            return $code->data;

+        }

+

+        //----------------------------------------------------------------------

+        public function encode($intext, $outfile = false) 

+        {

+            $code = new QRcode();

+

+            if($this->eightbit) {

+                $code->encodeString8bit($intext, $this->version, $this->level);

+            } else {

+                $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);

+            }

+            

+            QRtools::markTime('after_encode');

+            

+            if ($outfile!== false) {

+                file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));

+            } else {

+                return QRtools::binarize($code->data);

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodePNG($intext, $outfile = false,$saveandprint=false) 

+        {

+            try {

+            

+                ob_start();

+                $tab = $this->encode($intext);

+                $err = ob_get_contents();

+                ob_end_clean();

+                

+                if ($err != '')

+                    QRtools::log($outfile, $err);

+                

+                $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));

+                

+                QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);

+            

+            } catch (Exception $e) {

+            

+                QRtools::log($outfile, $e->getMessage());

+            

+            }

+        }

+    }

+
+
diff --git a/library/phpqrcode/qrbitstream.php b/library/phpqrcode/qrbitstream.php
new file mode 100644
index 000000000..7d4ec4a6c
--- /dev/null
+++ b/library/phpqrcode/qrbitstream.php
@@ -0,0 +1,180 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Bitstream class

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+     

+    class QRbitstream {

+    

+        public $data = array();

+        

+        //----------------------------------------------------------------------

+        public function size()

+        {

+            return count($this->data);

+        }

+        

+        //----------------------------------------------------------------------

+        public function allocate($setLength)

+        {

+            $this->data = array_fill(0, $setLength, 0);

+            return 0;

+        }

+    

+        //----------------------------------------------------------------------

+        public static function newFromNum($bits, $num)

+        {

+            $bstream = new QRbitstream();

+            $bstream->allocate($bits);

+            

+            $mask = 1 << ($bits - 1);

+            for($i=0; $i<$bits; $i++) {

+                if($num & $mask) {

+                    $bstream->data[$i] = 1;

+                } else {

+                    $bstream->data[$i] = 0;

+                }

+                $mask = $mask >> 1;

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function newFromBytes($size, $data)

+        {

+            $bstream = new QRbitstream();

+            $bstream->allocate($size * 8);

+            $p=0;

+

+            for($i=0; $i<$size; $i++) {

+                $mask = 0x80;

+                for($j=0; $j<8; $j++) {

+                    if($data[$i] & $mask) {

+                        $bstream->data[$p] = 1;

+                    } else {

+                        $bstream->data[$p] = 0;

+                    }

+                    $p++;

+                    $mask = $mask >> 1;

+                }

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function append(QRbitstream $arg)

+        {

+            if (is_null($arg)) {

+                return -1;

+            }

+            

+            if($arg->size() == 0) {

+                return 0;

+            }

+            

+            if($this->size() == 0) {

+                $this->data = $arg->data;

+                return 0;

+            }

+            

+            $this->data = array_values(array_merge($this->data, $arg->data));

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendNum($bits, $num)

+        {

+            if ($bits == 0) 

+                return 0;

+

+            $b = QRbitstream::newFromNum($bits, $num);

+            

+            if(is_null($b))

+                return -1;

+

+            $ret = $this->append($b);

+            unset($b);

+

+            return $ret;

+        }

+

+        //----------------------------------------------------------------------

+        public function appendBytes($size, $data)

+        {

+            if ($size == 0) 

+                return 0;

+

+            $b = QRbitstream::newFromBytes($size, $data);

+            

+            if(is_null($b))

+                return -1;

+

+            $ret = $this->append($b);

+            unset($b);

+

+            return $ret;

+        }

+        

+        //----------------------------------------------------------------------

+        public function toByte()

+        {

+        

+            $size = $this->size();

+

+            if($size == 0) {

+                return array();

+            }

+            

+            $data = array_fill(0, (int)(($size + 7) / 8), 0);

+            $bytes = (int)($size / 8);

+

+            $p = 0;

+            

+            for($i=0; $i<$bytes; $i++) {

+                $v = 0;

+                for($j=0; $j<8; $j++) {

+                    $v = $v << 1;

+                    $v |= $this->data[$p];

+                    $p++;

+                }

+                $data[$i] = $v;

+            }

+            

+            if($size & 7) {

+                $v = 0;

+                for($j=0; $j<($size & 7); $j++) {

+                    $v = $v << 1;

+                    $v |= $this->data[$p];

+                    $p++;

+                }

+                $data[$bytes] = $v;

+            }

+

+            return $data;

+        }

+

+    }

diff --git a/library/phpqrcode/qrconfig.php b/library/phpqrcode/qrconfig.php
new file mode 100644
index 000000000..e53dff8c2
--- /dev/null
+++ b/library/phpqrcode/qrconfig.php
@@ -0,0 +1,17 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Config file, feel free to modify

+ */

+     

+    define('QR_CACHEABLE', true);                                                               // use cache - more disk reads but less CPU power, masks and format templates are stored there

+    define('QR_CACHE_DIR', dirname(__FILE__).DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR);  // used when QR_CACHEABLE === true

+    define('QR_LOG_DIR', dirname(__FILE__).DIRECTORY_SEPARATOR);                                // default error logs dir   

+    

+    define('QR_FIND_BEST_MASK', true);                                                          // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code

+    define('QR_FIND_FROM_RANDOM', false);                                                       // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly

+    define('QR_DEFAULT_MASK', 2);                                                               // when QR_FIND_BEST_MASK === false

+                                                  

+    define('QR_PNG_MAXIMUM_SIZE',  1024);                                                       // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images

+                                                  
\ No newline at end of file
diff --git a/library/phpqrcode/qrconst.php b/library/phpqrcode/qrconst.php
new file mode 100644
index 000000000..9fac9fdc1
--- /dev/null
+++ b/library/phpqrcode/qrconst.php
@@ -0,0 +1,54 @@
+<?php

+

+/*

+ * PHP QR Code encoder

+ *

+ * Common constants

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+	// Encoding modes

+	 

+	define('QR_MODE_NUL', -1);

+	define('QR_MODE_NUM', 0);

+	define('QR_MODE_AN', 1);

+	define('QR_MODE_8', 2);

+	define('QR_MODE_KANJI', 3);

+	define('QR_MODE_STRUCTURE', 4);

+

+	// Levels of error correction.

+

+	define('QR_ECLEVEL_L', 0);

+	define('QR_ECLEVEL_M', 1);

+	define('QR_ECLEVEL_Q', 2);

+	define('QR_ECLEVEL_H', 3);

+	

+	// Supported output formats

+	

+	define('QR_FORMAT_TEXT', 0);

+	define('QR_FORMAT_PNG',  1);

+	

+	class qrstr {

+		public static function set(&$srctab, $x, $y, $repl, $replLen = false) {

+			$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));

+		}

+	}	
\ No newline at end of file
diff --git a/library/phpqrcode/qrencode.php b/library/phpqrcode/qrencode.php
new file mode 100644
index 000000000..4b77a5bdd
--- /dev/null
+++ b/library/phpqrcode/qrencode.php
@@ -0,0 +1,502 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Main encoder classes.

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    class QRrsblock {

+        public $dataLength;

+        public $data = array();

+        public $eccLength;

+        public $ecc = array();

+        

+        public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)

+        {

+            $rs->encode_rs_char($data, $ecc);

+        

+            $this->dataLength = $dl;

+            $this->data = $data;

+            $this->eccLength = $el;

+            $this->ecc = $ecc;

+        }

+    };

+    

+    //##########################################################################

+

+    class QRrawcode {

+        public $version;

+        public $datacode = array();

+        public $ecccode = array();

+        public $blocks;

+        public $rsblocks = array(); //of RSblock

+        public $count;

+        public $dataLength;

+        public $eccLength;

+        public $b1;

+        

+        //----------------------------------------------------------------------

+        public function __construct(QRinput $input)

+        {

+            $spec = array(0,0,0,0,0);

+            

+            $this->datacode = $input->getByteStream();

+            if(is_null($this->datacode)) {

+                throw new Exception('null imput string');

+            }

+

+            QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);

+

+            $this->version = $input->getVersion();

+            $this->b1 = QRspec::rsBlockNum1($spec);

+            $this->dataLength = QRspec::rsDataLength($spec);

+            $this->eccLength = QRspec::rsEccLength($spec);

+            $this->ecccode = array_fill(0, $this->eccLength, 0);

+            $this->blocks = QRspec::rsBlockNum($spec);

+            

+            $ret = $this->init($spec);

+            if($ret < 0) {

+                throw new Exception('block alloc error');

+                return null;

+            }

+

+            $this->count = 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function init(array $spec)

+        {

+            $dl = QRspec::rsDataCodes1($spec);

+            $el = QRspec::rsEccCodes1($spec);

+            $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);

+            

+

+            $blockNo = 0;

+            $dataPos = 0;

+            $eccPos = 0;

+            for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {

+                $ecc = array_slice($this->ecccode,$eccPos);

+                $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el,  $ecc, $rs);

+                $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);

+                

+                $dataPos += $dl;

+                $eccPos += $el;

+                $blockNo++;

+            }

+

+            if(QRspec::rsBlockNum2($spec) == 0)

+                return 0;

+

+            $dl = QRspec::rsDataCodes2($spec);

+            $el = QRspec::rsEccCodes2($spec);

+            $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);

+            

+            if($rs == NULL) return -1;

+            

+            for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {

+                $ecc = array_slice($this->ecccode,$eccPos);

+                $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);

+                $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);

+                

+                $dataPos += $dl;

+                $eccPos += $el;

+                $blockNo++;

+            }

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getCode()

+        {

+            $ret;

+

+            if($this->count < $this->dataLength) {

+                $row = $this->count % $this->blocks;

+                $col = $this->count / $this->blocks;

+                if($col >= $this->rsblocks[0]->dataLength) {

+                    $row += $this->b1;

+                }

+                $ret = $this->rsblocks[$row]->data[$col];

+            } else if($this->count < $this->dataLength + $this->eccLength) {

+                $row = ($this->count - $this->dataLength) % $this->blocks;

+                $col = ($this->count - $this->dataLength) / $this->blocks;

+                $ret = $this->rsblocks[$row]->ecc[$col];

+            } else {

+                return 0;

+            }

+            $this->count++;

+            

+            return $ret;

+        }

+    }

+

+    //##########################################################################

+    

+    class QRcode {

+    

+        public $version;

+        public $width;

+        public $data; 

+        

+        //----------------------------------------------------------------------

+        public function encodeMask(QRinput $input, $mask)

+        {

+            if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {

+                throw new Exception('wrong version');

+            }

+            if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {

+                throw new Exception('wrong level');

+            }

+

+            $raw = new QRrawcode($input);

+            

+            QRtools::markTime('after_raw');

+            

+            $version = $raw->version;

+            $width = QRspec::getWidth($version);

+            $frame = QRspec::newFrame($version);

+            

+            $filler = new FrameFiller($width, $frame);

+            if(is_null($filler)) {

+                return NULL;

+            }

+

+            // inteleaved data and ecc codes

+            for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {

+                $code = $raw->getCode();

+                $bit = 0x80;

+                for($j=0; $j<8; $j++) {

+                    $addr = $filler->next();

+                    $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));

+                    $bit = $bit >> 1;

+                }

+            }

+            

+            QRtools::markTime('after_filler');

+            

+            unset($raw);

+            

+            // remainder bits

+            $j = QRspec::getRemainder($version);

+            for($i=0; $i<$j; $i++) {

+                $addr = $filler->next();

+                $filler->setFrameAt($addr, 0x02);

+            }

+            

+            $frame = $filler->frame;

+            unset($filler);

+            

+            

+            // masking

+            $maskObj = new QRmask();

+            if($mask < 0) {

+            

+                if (QR_FIND_BEST_MASK) {

+                    $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());

+                } else {

+                    $masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());

+                }

+            } else {

+                $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());

+            }

+            

+            if($masked == NULL) {

+                return NULL;

+            }

+            

+            QRtools::markTime('after_mask');

+            

+            $this->version = $version;

+            $this->width = $width;

+            $this->data = $masked;

+            

+            return $this;

+        }

+    

+        //----------------------------------------------------------------------

+        public function encodeInput(QRinput $input)

+        {

+            return $this->encodeMask($input, -1);

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeString8bit($string, $version, $level)

+        {

+            if(string == NULL) {

+                throw new Exception('empty string!');

+                return NULL;

+            }

+

+            $input = new QRinput($version, $level);

+            if($input == NULL) return NULL;

+

+            $ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));

+            if($ret < 0) {

+                unset($input);

+                return NULL;

+            }

+            return $this->encodeInput($input);

+        }

+

+        //----------------------------------------------------------------------

+        public function encodeString($string, $version, $level, $hint, $casesensitive)

+        {

+

+            if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {

+                throw new Exception('bad hint');

+                return NULL;

+            }

+

+            $input = new QRinput($version, $level);

+            if($input == NULL) return NULL;

+

+            $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);

+            if($ret < 0) {

+                return NULL;

+            }

+

+            return $this->encodeInput($input);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encodePNG($text, $outfile, $saveandprint=false);

+        }

+

+        //----------------------------------------------------------------------

+        public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encode($text, $outfile);

+        }

+

+        //----------------------------------------------------------------------

+        public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) 

+        {

+            $enc = QRencode::factory($level, $size, $margin);

+            return $enc->encodeRAW($text, $outfile);

+        }

+    }

+    

+    //##########################################################################

+    

+    class FrameFiller {

+    

+        public $width;

+        public $frame;

+        public $x;

+        public $y;

+        public $dir;

+        public $bit;

+        

+        //----------------------------------------------------------------------

+        public function __construct($width, &$frame)

+        {

+            $this->width = $width;

+            $this->frame = $frame;

+            $this->x = $width - 1;

+            $this->y = $width - 1;

+            $this->dir = -1;

+            $this->bit = -1;

+        }

+        

+        //----------------------------------------------------------------------

+        public function setFrameAt($at, $val)

+        {

+            $this->frame[$at['y']][$at['x']] = chr($val);

+        }

+        

+        //----------------------------------------------------------------------

+        public function getFrameAt($at)

+        {

+            return ord($this->frame[$at['y']][$at['x']]);

+        }

+        

+        //----------------------------------------------------------------------

+        public function next()

+        {

+            do {

+            

+                if($this->bit == -1) {

+                    $this->bit = 0;

+                    return array('x'=>$this->x, 'y'=>$this->y);

+                }

+

+                $x = $this->x;

+                $y = $this->y;

+                $w = $this->width;

+

+                if($this->bit == 0) {

+                    $x--;

+                    $this->bit++;

+                } else {

+                    $x++;

+                    $y += $this->dir;

+                    $this->bit--;

+                }

+

+                if($this->dir < 0) {

+                    if($y < 0) {

+                        $y = 0;

+                        $x -= 2;

+                        $this->dir = 1;

+                        if($x == 6) {

+                            $x--;

+                            $y = 9;

+                        }

+                    }

+                } else {

+                    if($y == $w) {

+                        $y = $w - 1;

+                        $x -= 2;

+                        $this->dir = -1;

+                        if($x == 6) {

+                            $x--;

+                            $y -= 8;

+                        }

+                    }

+                }

+                if($x < 0 || $y < 0) return null;

+

+                $this->x = $x;

+                $this->y = $y;

+

+            } while(ord($this->frame[$y][$x]) & 0x80);

+                        

+            return array('x'=>$x, 'y'=>$y);

+        }

+        

+    } ;

+    

+    //##########################################################################    

+    

+    class QRencode {

+    

+        public $casesensitive = true;

+        public $eightbit = false;

+        

+        public $version = 0;

+        public $size = 3;

+        public $margin = 4;

+        

+        public $structured = 0; // not supported yet

+        

+        public $level = QR_ECLEVEL_L;

+        public $hint = QR_MODE_8;

+        

+        //----------------------------------------------------------------------

+        public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)

+        {

+            $enc = new QRencode();

+            $enc->size = $size;

+            $enc->margin = $margin;

+            

+            switch ($level.'') {

+                case '0':

+                case '1':

+                case '2':

+                case '3':

+                        $enc->level = $level;

+                    break;

+                case 'l':

+                case 'L':

+                        $enc->level = QR_ECLEVEL_L;

+                    break;

+                case 'm':

+                case 'M':

+                        $enc->level = QR_ECLEVEL_M;

+                    break;

+                case 'q':

+                case 'Q':

+                        $enc->level = QR_ECLEVEL_Q;

+                    break;

+                case 'h':

+                case 'H':

+                        $enc->level = QR_ECLEVEL_H;

+                    break;

+            }

+            

+            return $enc;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeRAW($intext, $outfile = false) 

+        {

+            $code = new QRcode();

+

+            if($this->eightbit) {

+                $code->encodeString8bit($intext, $this->version, $this->level);

+            } else {

+                $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);

+            }

+            

+            return $code->data;

+        }

+

+        //----------------------------------------------------------------------

+        public function encode($intext, $outfile = false) 

+        {

+            $code = new QRcode();

+

+            if($this->eightbit) {

+                $code->encodeString8bit($intext, $this->version, $this->level);

+            } else {

+                $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);

+            }

+            

+            QRtools::markTime('after_encode');

+            

+            if ($outfile!== false) {

+                file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));

+            } else {

+                return QRtools::binarize($code->data);

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodePNG($intext, $outfile = false,$saveandprint=false) 

+        {

+            try {

+            

+                ob_start();

+                $tab = $this->encode($intext);

+                $err = ob_get_contents();

+                ob_end_clean();

+                

+                if ($err != '')

+                    QRtools::log($outfile, $err);

+                

+                $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));

+                

+                QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);

+            

+            } catch (Exception $e) {

+            

+                QRtools::log($outfile, $e->getMessage());

+            

+            }

+        }

+    }

diff --git a/library/phpqrcode/qrimage.php b/library/phpqrcode/qrimage.php
new file mode 100644
index 000000000..10b0a6e1b
--- /dev/null
+++ b/library/phpqrcode/qrimage.php
@@ -0,0 +1,95 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Image output of code using GD2

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('QR_IMAGE', true);

+

+    class QRimage {

+    

+        //----------------------------------------------------------------------

+        public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) 

+        {

+            $image = self::image($frame, $pixelPerPoint, $outerFrame);

+            

+            if ($filename === false) {

+                Header("Content-type: image/png");

+                ImagePng($image);

+            } else {

+                if($saveandprint===TRUE){

+                    ImagePng($image, $filename);

+                    header("Content-type: image/png");

+                    ImagePng($image);

+                }else{

+                    ImagePng($image, $filename);

+                }

+            }

+            

+            ImageDestroy($image);

+        }

+    

+        //----------------------------------------------------------------------

+        public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) 

+        {

+            $image = self::image($frame, $pixelPerPoint, $outerFrame);

+            

+            if ($filename === false) {

+                Header("Content-type: image/jpeg");

+                ImageJpeg($image, null, $q);

+            } else {

+                ImageJpeg($image, $filename, $q);            

+            }

+            

+            ImageDestroy($image);

+        }

+    

+        //----------------------------------------------------------------------

+        private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) 

+        {

+            $h = count($frame);

+            $w = strlen($frame[0]);

+            

+            $imgW = $w + 2*$outerFrame;

+            $imgH = $h + 2*$outerFrame;

+            

+            $base_image =ImageCreate($imgW, $imgH);

+            

+            $col[0] = ImageColorAllocate($base_image,255,255,255);

+            $col[1] = ImageColorAllocate($base_image,0,0,0);

+

+            imagefill($base_image, 0, 0, $col[0]);

+

+            for($y=0; $y<$h; $y++) {

+                for($x=0; $x<$w; $x++) {

+                    if ($frame[$y][$x] == '1') {

+                        ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); 

+                    }

+                }

+            }

+            

+            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);

+            ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);

+            ImageDestroy($base_image);

+            

+            return $target_image;

+        }

+    }
\ No newline at end of file
diff --git a/library/phpqrcode/qrinput.php b/library/phpqrcode/qrinput.php
new file mode 100644
index 000000000..0f6d7f944
--- /dev/null
+++ b/library/phpqrcode/qrinput.php
@@ -0,0 +1,729 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Input encoding class

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('STRUCTURE_HEADER_BITS',  20);

+    define('MAX_STRUCTURED_SYMBOLS', 16);

+

+    class QRinputItem {

+    

+        public $mode;

+        public $size;

+        public $data;

+        public $bstream;

+

+        public function __construct($mode, $size, $data, $bstream = null) 

+        {

+            $setData = array_slice($data, 0, $size);

+            

+            if (count($setData) < $size) {

+                $setData = array_merge($setData, array_fill(0,$size-count($setData),0));

+            }

+        

+            if(!QRinput::check($mode, $size, $setData)) {

+                throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData));

+                return null;

+            }

+            

+            $this->mode = $mode;

+            $this->size = $size;

+            $this->data = $setData;

+            $this->bstream = $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeNum($version)

+        {

+            try {

+            

+                $words = (int)($this->size / 3);

+                $bs = new QRbitstream();

+                

+                $val = 0x1;

+                $bs->appendNum(4, $val);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size);

+

+                for($i=0; $i<$words; $i++) {

+                    $val  = (ord($this->data[$i*3  ]) - ord('0')) * 100;

+                    $val += (ord($this->data[$i*3+1]) - ord('0')) * 10;

+                    $val += (ord($this->data[$i*3+2]) - ord('0'));

+                    $bs->appendNum(10, $val);

+                }

+

+                if($this->size - $words * 3 == 1) {

+                    $val = ord($this->data[$words*3]) - ord('0');

+                    $bs->appendNum(4, $val);

+                } else if($this->size - $words * 3 == 2) {

+                    $val  = (ord($this->data[$words*3  ]) - ord('0')) * 10;

+                    $val += (ord($this->data[$words*3+1]) - ord('0'));

+                    $bs->appendNum(7, $val);

+                }

+

+                $this->bstream = $bs;

+                return 0;

+                

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeAn($version)

+        {

+            try {

+                $words = (int)($this->size / 2);

+                $bs = new QRbitstream();

+                

+                $bs->appendNum(4, 0x02);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size);

+

+                for($i=0; $i<$words; $i++) {

+                    $val  = (int)QRinput::lookAnTable(ord($this->data[$i*2  ])) * 45;

+                    $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1]));

+

+                    $bs->appendNum(11, $val);

+                }

+

+                if($this->size & 1) {

+                    $val = QRinput::lookAnTable(ord($this->data[$words * 2]));

+                    $bs->appendNum(6, $val);

+                }

+        

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeMode8($version)

+        {

+            try {

+                $bs = new QRbitstream();

+

+                $bs->appendNum(4, 0x4);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size);

+

+                for($i=0; $i<$this->size; $i++) {

+                    $bs->appendNum(8, ord($this->data[$i]));

+                }

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeModeKanji($version)

+        {

+            try {

+

+                $bs = new QRbitrtream();

+                

+                $bs->appendNum(4, 0x8);

+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2));

+

+                for($i=0; $i<$this->size; $i+=2) {

+                    $val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]);

+                    if($val <= 0x9ffc) {

+                        $val -= 0x8140;

+                    } else {

+                        $val -= 0xc140;

+                    }

+                    

+                    $h = ($val >> 8) * 0xc0;

+                    $val = ($val & 0xff) + $h;

+

+                    $bs->appendNum(13, $val);

+                }

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function encodeModeStructure()

+        {

+            try {

+                $bs =  new QRbitstream();

+                

+                $bs->appendNum(4, 0x03);

+                $bs->appendNum(4, ord($this->data[1]) - 1);

+                $bs->appendNum(4, ord($this->data[0]) - 1);

+                $bs->appendNum(8, ord($this->data[2]));

+

+                $this->bstream = $bs;

+                return 0;

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateBitStreamSizeOfEntry($version)

+        {

+            $bits = 0;

+

+            if($version == 0) 

+                $version = 1;

+

+            switch($this->mode) {

+                case QR_MODE_NUM:        $bits = QRinput::estimateBitsModeNum($this->size);    break;

+                case QR_MODE_AN:        $bits = QRinput::estimateBitsModeAn($this->size);    break;

+                case QR_MODE_8:            $bits = QRinput::estimateBitsMode8($this->size);    break;

+                case QR_MODE_KANJI:        $bits = QRinput::estimateBitsModeKanji($this->size);break;

+                case QR_MODE_STRUCTURE:    return STRUCTURE_HEADER_BITS;            

+                default:

+                    return 0;

+            }

+

+            $l = QRspec::lengthIndicator($this->mode, $version);

+            $m = 1 << $l;

+            $num = (int)(($this->size + $m - 1) / $m);

+

+            $bits += $num * (4 + $l);

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encodeBitStream($version)

+        {

+            try {

+            

+                unset($this->bstream);

+                $words = QRspec::maximumWords($this->mode, $version);

+                

+                if($this->size > $words) {

+                

+                    $st1 = new QRinputItem($this->mode, $words, $this->data);

+                    $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words));

+

+                    $st1->encodeBitStream($version);

+                    $st2->encodeBitStream($version);

+                    

+                    $this->bstream = new QRbitstream();

+                    $this->bstream->append($st1->bstream);

+                    $this->bstream->append($st2->bstream);

+                    

+                    unset($st1);

+                    unset($st2);

+                    

+                } else {

+                    

+                    $ret = 0;

+                    

+                    switch($this->mode) {

+                        case QR_MODE_NUM:        $ret = $this->encodeModeNum($version);    break;

+                        case QR_MODE_AN:        $ret = $this->encodeModeAn($version);    break;

+                        case QR_MODE_8:            $ret = $this->encodeMode8($version);    break;

+                        case QR_MODE_KANJI:        $ret = $this->encodeModeKanji($version);break;

+                        case QR_MODE_STRUCTURE:    $ret = $this->encodeModeStructure();    break;

+                        

+                        default:

+                            break;

+                    }

+                    

+                    if($ret < 0)

+                        return -1;

+                }

+

+                return $this->bstream->size();

+            

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+    };

+    

+    //##########################################################################

+

+    class QRinput {

+

+        public $items;

+        

+        private $version;

+        private $level;

+        

+        //----------------------------------------------------------------------

+        public function __construct($version = 0, $level = QR_ECLEVEL_L)

+        {

+            if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) {

+                throw new Exception('Invalid version no');

+                return NULL;

+            }

+            

+            $this->version = $version;

+            $this->level = $level;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getVersion()

+        {

+            return $this->version;

+        }

+        

+        //----------------------------------------------------------------------

+        public function setVersion($version)

+        {

+            if($version < 0 || $version > QRSPEC_VERSION_MAX) {

+                throw new Exception('Invalid version no');

+                return -1;

+            }

+

+            $this->version = $version;

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getErrorCorrectionLevel()

+        {

+            return $this->level;

+        }

+

+        //----------------------------------------------------------------------

+        public function setErrorCorrectionLevel($level)

+        {

+            if($level > QR_ECLEVEL_H) {

+                throw new Exception('Invalid ECLEVEL');

+                return -1;

+            }

+

+            $this->level = $level;

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendEntry(QRinputItem $entry)

+        {

+            $this->items[] = $entry;

+        }

+        

+        //----------------------------------------------------------------------

+        public function append($mode, $size, $data)

+        {

+            try {

+                $entry = new QRinputItem($mode, $size, $data);

+                $this->items[] = $entry;

+                return 0;

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        

+        public function insertStructuredAppendHeader($size, $index, $parity)

+        {

+            if( $size > MAX_STRUCTURED_SYMBOLS ) {

+                throw new Exception('insertStructuredAppendHeader wrong size');

+            }

+            

+            if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) {

+                throw new Exception('insertStructuredAppendHeader wrong index');

+            }

+

+            $buf = array($size, $index, $parity);

+            

+            try {

+                $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf);

+                array_unshift($this->items, $entry);

+                return 0;

+            } catch (Exception $e) {

+                return -1;

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function calcParity()

+        {

+            $parity = 0;

+            

+            foreach($this->items as $item) {

+                if($item->mode != QR_MODE_STRUCTURE) {

+                    for($i=$item->size-1; $i>=0; $i--) {

+                        $parity ^= $item->data[$i];

+                    }

+                }

+            }

+

+            return $parity;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeNum($size, $data)

+        {

+            for($i=0; $i<$size; $i++) {

+                if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){

+                    return false;

+                }

+            }

+

+            return true;

+        }

+

+        //----------------------------------------------------------------------

+        public static function estimateBitsModeNum($size)

+        {

+            $w = (int)$size / 3;

+            $bits = $w * 10;

+            

+            switch($size - $w * 3) {

+                case 1:

+                    $bits += 4;

+                    break;

+                case 2:

+                    $bits += 7;

+                    break;

+                default:

+                    break;

+            }

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public static $anTable = array(

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,

+             0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,

+            -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,

+            25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1

+        );

+        

+        //----------------------------------------------------------------------

+        public static function lookAnTable($c)

+        {

+            return (($c > 127)?-1:self::$anTable[$c]);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeAn($size, $data)

+        {

+            for($i=0; $i<$size; $i++) {

+                if (self::lookAnTable(ord($data[$i])) == -1) {

+                    return false;

+                }

+            }

+

+            return true;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function estimateBitsModeAn($size)

+        {

+            $w = (int)($size / 2);

+            $bits = $w * 11;

+            

+            if($size & 1) {

+                $bits += 6;

+            }

+

+            return $bits;

+        }

+    

+        //----------------------------------------------------------------------

+        public static function estimateBitsMode8($size)

+        {

+            return $size * 8;

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateBitsModeKanji($size)

+        {

+            return (int)(($size / 2) * 13);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function checkModeKanji($size, $data)

+        {

+            if($size & 1)

+                return false;

+

+            for($i=0; $i<$size; $i+=2) {

+                $val = (ord($data[$i]) << 8) | ord($data[$i+1]);

+                if( $val < 0x8140 

+                || ($val > 0x9ffc && $val < 0xe040) 

+                || $val > 0xebbf) {

+                    return false;

+                }

+            }

+

+            return true;

+        }

+

+        /***********************************************************************

+         * Validation

+         **********************************************************************/

+

+        public static function check($mode, $size, $data)

+        {

+            if($size <= 0) 

+                return false;

+

+            switch($mode) {

+                case QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;

+                case QR_MODE_AN:        return self::checkModeAn($size, $data);    break;

+                case QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;

+                case QR_MODE_8:         return true; break;

+                case QR_MODE_STRUCTURE: return true; break;

+                

+                default:

+                    break;

+            }

+

+            return false;

+        }

+        

+        

+        //----------------------------------------------------------------------

+        public function estimateBitStreamSize($version)

+        {

+            $bits = 0;

+

+            foreach($this->items as $item) {

+                $bits += $item->estimateBitStreamSizeOfEntry($version);

+            }

+

+            return $bits;

+        }

+        

+        //----------------------------------------------------------------------

+        public function estimateVersion()

+        {

+            $version = 0;

+            $prev = 0;

+            do {

+                $prev = $version;

+                $bits = $this->estimateBitStreamSize($prev);

+                $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);

+                if ($version < 0) {

+                    return -1;

+                }

+            } while ($version > $prev);

+

+            return $version;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function lengthOfCode($mode, $version, $bits)

+        {

+            $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version);

+            switch($mode) {

+                case QR_MODE_NUM:

+                    $chunks = (int)($payload / 10);

+                    $remain = $payload - $chunks * 10;

+                    $size = $chunks * 3;

+                    if($remain >= 7) {

+                        $size += 2;

+                    } else if($remain >= 4) {

+                        $size += 1;

+                    }

+                    break;

+                case QR_MODE_AN:

+                    $chunks = (int)($payload / 11);

+                    $remain = $payload - $chunks * 11;

+                    $size = $chunks * 2;

+                    if($remain >= 6) 

+                        $size++;

+                    break;

+                case QR_MODE_8:

+                    $size = (int)($payload / 8);

+                    break;

+                case QR_MODE_KANJI:

+                    $size = (int)(($payload / 13) * 2);

+                    break;

+                case QR_MODE_STRUCTURE:

+                    $size = (int)($payload / 8);

+                    break;

+                default:

+                    $size = 0;

+                    break;

+            }

+            

+            $maxsize = QRspec::maximumWords($mode, $version);

+            if($size < 0) $size = 0;

+            if($size > $maxsize) $size = $maxsize;

+

+            return $size;

+        }

+        

+        //----------------------------------------------------------------------

+        public function createBitStream()

+        {

+            $total = 0;

+

+            foreach($this->items as $item) {

+                $bits = $item->encodeBitStream($this->version);

+                

+                if($bits < 0) 

+                    return -1;

+                    

+                $total += $bits;

+            }

+

+            return $total;

+        }

+        

+        //----------------------------------------------------------------------

+        public function convertData()

+        {

+            $ver = $this->estimateVersion();

+            if($ver > $this->getVersion()) {

+                $this->setVersion($ver);

+            }

+

+            for(;;) {

+                $bits = $this->createBitStream();

+                

+                if($bits < 0) 

+                    return -1;

+                    

+                $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);

+                if($ver < 0) {

+                    throw new Exception('WRONG VERSION');

+                    return -1;

+                } else if($ver > $this->getVersion()) {

+                    $this->setVersion($ver);

+                } else {

+                    break;

+                }

+            }

+

+            return 0;

+        }

+        

+        //----------------------------------------------------------------------

+        public function appendPaddingBit(&$bstream)

+        {

+            $bits = $bstream->size();

+            $maxwords = QRspec::getDataLength($this->version, $this->level);

+            $maxbits = $maxwords * 8;

+

+            if ($maxbits == $bits) {

+                return 0;

+            }

+

+            if ($maxbits - $bits < 5) {

+                return $bstream->appendNum($maxbits - $bits, 0);

+            }

+

+            $bits += 4;

+            $words = (int)(($bits + 7) / 8);

+

+            $padding = new QRbitstream();

+            $ret = $padding->appendNum($words * 8 - $bits + 4, 0);

+            

+            if($ret < 0) 

+                return $ret;

+

+            $padlen = $maxwords - $words;

+            

+            if($padlen > 0) {

+                

+                $padbuf = array();

+                for($i=0; $i<$padlen; $i++) {

+                    $padbuf[$i] = ($i&1)?0x11:0xec;

+                }

+                

+                $ret = $padding->appendBytes($padlen, $padbuf);

+                

+                if($ret < 0)

+                    return $ret;

+                

+            }

+

+            $ret = $bstream->append($padding);

+            

+            return $ret;

+        }

+

+        //----------------------------------------------------------------------

+        public function mergeBitStream()

+        {

+            if($this->convertData() < 0) {

+                return null;

+            }

+

+            $bstream = new QRbitstream();

+            

+            foreach($this->items as $item) {

+                $ret = $bstream->append($item->bstream);

+                if($ret < 0) {

+                    return null;

+                }

+            }

+

+            return $bstream;

+        }

+

+        //----------------------------------------------------------------------

+        public function getBitStream()

+        {

+

+            $bstream = $this->mergeBitStream();

+            

+            if($bstream == null) {

+                return null;

+            }

+            

+            $ret = $this->appendPaddingBit($bstream);

+            if($ret < 0) {

+                return null;

+            }

+

+            return $bstream;

+        }

+        

+        //----------------------------------------------------------------------

+        public function getByteStream()

+        {

+            $bstream = $this->getBitStream();

+            if($bstream == null) {

+                return null;

+            }

+            

+            return $bstream->toByte();

+        }

+    }

+        

+        

+    
\ No newline at end of file
diff --git a/library/phpqrcode/qrlib.php b/library/phpqrcode/qrlib.php
new file mode 100644
index 000000000..d55c4af29
--- /dev/null
+++ b/library/phpqrcode/qrlib.php
@@ -0,0 +1,43 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Root library file, prepares environment and includes dependencies

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+	

+	$QR_BASEDIR = dirname(__FILE__).DIRECTORY_SEPARATOR;

+	

+	// Required libs

+	

+	include $QR_BASEDIR."qrconst.php";

+	include $QR_BASEDIR."qrconfig.php";

+	include $QR_BASEDIR."qrtools.php";

+	include $QR_BASEDIR."qrspec.php";

+	include $QR_BASEDIR."qrimage.php";

+	include $QR_BASEDIR."qrinput.php";

+	include $QR_BASEDIR."qrbitstream.php";

+	include $QR_BASEDIR."qrsplit.php";

+	include $QR_BASEDIR."qrrscode.php";

+	include $QR_BASEDIR."qrmask.php";

+	include $QR_BASEDIR."qrencode.php";

+

diff --git a/library/phpqrcode/qrmask.php b/library/phpqrcode/qrmask.php
new file mode 100644
index 000000000..b14d7ae16
--- /dev/null
+++ b/library/phpqrcode/qrmask.php
@@ -0,0 +1,328 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Masking

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+	define('N1', 3);

+	define('N2', 3);

+	define('N3', 40);

+	define('N4', 10);

+

+	class QRmask {

+	

+		public $runLength = array();

+		

+		//----------------------------------------------------------------------

+		public function __construct() 

+        {

+            $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);

+        }

+        

+        //----------------------------------------------------------------------

+        public function writeFormatInformation($width, &$frame, $mask, $level)

+        {

+            $blacks = 0;

+            $format =  QRspec::getFormatInfo($mask, $level);

+

+            for($i=0; $i<8; $i++) {

+                if($format & 1) {

+                    $blacks += 2;

+                    $v = 0x85;

+                } else {

+                    $v = 0x84;

+                }

+                

+                $frame[8][$width - 1 - $i] = chr($v);

+                if($i < 6) {

+                    $frame[$i][8] = chr($v);

+                } else {

+                    $frame[$i + 1][8] = chr($v);

+                }

+                $format = $format >> 1;

+            }

+            

+            for($i=0; $i<7; $i++) {

+                if($format & 1) {

+                    $blacks += 2;

+                    $v = 0x85;

+                } else {

+                    $v = 0x84;

+                }

+                

+                $frame[$width - 7 + $i][8] = chr($v);

+                if($i == 0) {

+                    $frame[8][7] = chr($v);

+                } else {

+                    $frame[8][6 - $i] = chr($v);

+                }

+                

+                $format = $format >> 1;

+            }

+

+            return $blacks;

+        }

+        

+        //----------------------------------------------------------------------

+        public function mask0($x, $y) { return ($x+$y)&1;                       }

+        public function mask1($x, $y) { return ($y&1);                          }

+        public function mask2($x, $y) { return ($x%3);                          }

+        public function mask3($x, $y) { return ($x+$y)%3;                       }

+        public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }

+        public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3;           }

+        public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1;       }

+        public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1;     }

+        

+        //----------------------------------------------------------------------

+        private function generateMaskNo($maskNo, $width, $frame)

+        {

+            $bitMask = array_fill(0, $width, array_fill(0, $width, 0));

+            

+            for($y=0; $y<$width; $y++) {

+                for($x=0; $x<$width; $x++) {

+                    if(ord($frame[$y][$x]) & 0x80) {

+                        $bitMask[$y][$x] = 0;

+                    } else {

+                        $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);

+                        $bitMask[$y][$x] = ($maskFunc == 0)?1:0;

+                    }

+                    

+                }

+            }

+            

+            return $bitMask;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function serial($bitFrame)

+        {

+            $codeArr = array();

+            

+            foreach ($bitFrame as $line)

+                $codeArr[] = join('', $line);

+                

+            return gzcompress(join("\n", $codeArr), 9);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function unserial($code)

+        {

+            $codeArr = array();

+            

+            $codeLines = explode("\n", gzuncompress($code));

+            foreach ($codeLines as $line)

+                $codeArr[] = str_split($line);

+            

+            return $codeArr;

+        }

+        

+        //----------------------------------------------------------------------

+        public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false) 

+        {

+            $b = 0;

+            $bitMask = array();

+            

+            $fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';

+

+            if (QR_CACHEABLE) {

+                if (file_exists($fileName)) {

+                    $bitMask = self::unserial(file_get_contents($fileName));

+                } else {

+                    $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);

+                    if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))

+                        mkdir(QR_CACHE_DIR.'mask_'.$maskNo);

+                    file_put_contents($fileName, self::serial($bitMask));

+                }

+            } else {

+                $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);

+            }

+

+            if ($maskGenOnly)

+                return;

+                

+            $d = $s;

+

+            for($y=0; $y<$width; $y++) {

+                for($x=0; $x<$width; $x++) {

+                    if($bitMask[$y][$x] == 1) {

+                        $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);

+                    }

+                    $b += (int)(ord($d[$y][$x]) & 1);

+                }

+            }

+

+            return $b;

+        }

+        

+        //----------------------------------------------------------------------

+        public function makeMask($width, $frame, $maskNo, $level)

+        {

+            $masked = array_fill(0, $width, str_repeat("\0", $width));

+            $this->makeMaskNo($maskNo, $width, $frame, $masked);

+            $this->writeFormatInformation($width, $masked, $maskNo, $level);

+       

+            return $masked;

+        }

+        

+        //----------------------------------------------------------------------

+        public function calcN1N3($length)

+        {

+            $demerit = 0;

+

+            for($i=0; $i<$length; $i++) {

+                

+                if($this->runLength[$i] >= 5) {

+                    $demerit += (N1 + ($this->runLength[$i] - 5));

+                }

+                if($i & 1) {

+                    if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {

+                        $fact = (int)($this->runLength[$i] / 3);

+                        if(($this->runLength[$i-2] == $fact) &&

+                           ($this->runLength[$i-1] == $fact) &&

+                           ($this->runLength[$i+1] == $fact) &&

+                           ($this->runLength[$i+2] == $fact)) {

+                            if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {

+                                $demerit += N3;

+                            } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {

+                                $demerit += N3;

+                            }

+                        }

+                    }

+                }

+            }

+            return $demerit;

+        }

+        

+        //----------------------------------------------------------------------

+        public function evaluateSymbol($width, $frame)

+        {

+            $head = 0;

+            $demerit = 0;

+

+            for($y=0; $y<$width; $y++) {

+                $head = 0;

+                $this->runLength[0] = 1;

+                

+                $frameY = $frame[$y];

+                

+                if ($y>0)

+                    $frameYM = $frame[$y-1];

+                

+                for($x=0; $x<$width; $x++) {

+                    if(($x > 0) && ($y > 0)) {

+                        $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);

+                        $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);

+                        

+                        if(($b22 | ($w22 ^ 1))&1) {                                                                     

+                            $demerit += N2;

+                        }

+                    }

+                    if(($x == 0) && (ord($frameY[$x]) & 1)) {

+                        $this->runLength[0] = -1;

+                        $head = 1;

+                        $this->runLength[$head] = 1;

+                    } else if($x > 0) {

+                        if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {

+                            $head++;

+                            $this->runLength[$head] = 1;

+                        } else {

+                            $this->runLength[$head]++;

+                        }

+                    }

+                }

+    

+                $demerit += $this->calcN1N3($head+1);

+            }

+

+            for($x=0; $x<$width; $x++) {

+                $head = 0;

+                $this->runLength[0] = 1;

+                

+                for($y=0; $y<$width; $y++) {

+                    if($y == 0 && (ord($frame[$y][$x]) & 1)) {

+                        $this->runLength[0] = -1;

+                        $head = 1;

+                        $this->runLength[$head] = 1;

+                    } else if($y > 0) {

+                        if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {

+                            $head++;

+                            $this->runLength[$head] = 1;

+                        } else {

+                            $this->runLength[$head]++;

+                        }

+                    }

+                }

+            

+                $demerit += $this->calcN1N3($head+1);

+            }

+

+            return $demerit;

+        }

+        

+        

+        //----------------------------------------------------------------------

+        public function mask($width, $frame, $level)

+        {

+            $minDemerit = PHP_INT_MAX;

+            $bestMaskNum = 0;

+            $bestMask = array();

+            

+            $checked_masks = array(0,1,2,3,4,5,6,7);

+            

+            if (QR_FIND_FROM_RANDOM !== false) {

+            

+                $howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);

+                for ($i = 0; $i <  $howManuOut; $i++) {

+                    $remPos = rand (0, count($checked_masks)-1);

+                    unset($checked_masks[$remPos]);

+                    $checked_masks = array_values($checked_masks);

+                }

+            

+            }

+            

+            $bestMask = $frame;

+             

+            foreach($checked_masks as $i) {

+                $mask = array_fill(0, $width, str_repeat("\0", $width));

+

+                $demerit = 0;

+                $blacks = 0;

+                $blacks  = $this->makeMaskNo($i, $width, $frame, $mask);

+                $blacks += $this->writeFormatInformation($width, $mask, $i, $level);

+                $blacks  = (int)(100 * $blacks / ($width * $width));

+                $demerit = (int)((int)(abs($blacks - 50) / 5) * N4);

+                $demerit += $this->evaluateSymbol($width, $mask);

+                

+                if($demerit < $minDemerit) {

+                    $minDemerit = $demerit;

+                    $bestMask = $mask;

+                    $bestMaskNum = $i;

+                }

+            }

+            

+            return $bestMask;

+        }

+        

+        //----------------------------------------------------------------------

+    }

diff --git a/library/phpqrcode/qrrscode.php b/library/phpqrcode/qrrscode.php
new file mode 100644
index 000000000..591129a32
--- /dev/null
+++ b/library/phpqrcode/qrrscode.php
@@ -0,0 +1,210 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Reed-Solomon error correction support

+ * 

+ * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q

+ * (libfec is released under the GNU Lesser General Public License.)

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    class QRrsItem {

+    

+        public $mm;                  // Bits per symbol 

+        public $nn;                  // Symbols per block (= (1<<mm)-1) 

+        public $alpha_to = array();  // log lookup table 

+        public $index_of = array();  // Antilog lookup table 

+        public $genpoly = array();   // Generator polynomial 

+        public $nroots;              // Number of generator roots = number of parity symbols 

+        public $fcr;                 // First consecutive root, index form 

+        public $prim;                // Primitive element, index form 

+        public $iprim;               // prim-th root of 1, index form 

+        public $pad;                 // Padding bytes in shortened block 

+        public $gfpoly;

+    

+        //----------------------------------------------------------------------

+        public function modnn($x)

+        {

+            while ($x >= $this->nn) {

+                $x -= $this->nn;

+                $x = ($x >> $this->mm) + ($x & $this->nn);

+            }

+            

+            return $x;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)

+        {

+            // Common code for intializing a Reed-Solomon control block (char or int symbols)

+            // Copyright 2004 Phil Karn, KA9Q

+            // May be used under the terms of the GNU Lesser General Public License (LGPL)

+

+            $rs = null;

+            

+            // Check parameter ranges

+            if($symsize < 0 || $symsize > 8)                     return $rs;

+            if($fcr < 0 || $fcr >= (1<<$symsize))                return $rs;

+            if($prim <= 0 || $prim >= (1<<$symsize))             return $rs;

+            if($nroots < 0 || $nroots >= (1<<$symsize))          return $rs; // Can't have more roots than symbol values!

+            if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding

+

+            $rs = new QRrsItem();

+            $rs->mm = $symsize;

+            $rs->nn = (1<<$symsize)-1;

+            $rs->pad = $pad;

+

+            $rs->alpha_to = array_fill(0, $rs->nn+1, 0);

+            $rs->index_of = array_fill(0, $rs->nn+1, 0);

+          

+            // PHP style macro replacement ;)

+            $NN =& $rs->nn;

+            $A0 =& $NN;

+            

+            // Generate Galois field lookup tables

+            $rs->index_of[0] = $A0; // log(zero) = -inf

+            $rs->alpha_to[$A0] = 0; // alpha**-inf = 0

+            $sr = 1;

+          

+            for($i=0; $i<$rs->nn; $i++) {

+                $rs->index_of[$sr] = $i;

+                $rs->alpha_to[$i] = $sr;

+                $sr <<= 1;

+                if($sr & (1<<$symsize)) {

+                    $sr ^= $gfpoly;

+                }

+                $sr &= $rs->nn;

+            }

+            

+            if($sr != 1){

+                // field generator polynomial is not primitive!

+                $rs = NULL;

+                return $rs;

+            }

+

+            /* Form RS code generator polynomial from its roots */

+            $rs->genpoly = array_fill(0, $nroots+1, 0);

+        

+            $rs->fcr = $fcr;

+            $rs->prim = $prim;

+            $rs->nroots = $nroots;

+            $rs->gfpoly = $gfpoly;

+

+            /* Find prim-th root of 1, used in decoding */

+            for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn)

+            ; // intentional empty-body loop!

+            

+            $rs->iprim = (int)($iprim / $prim);

+            $rs->genpoly[0] = 1;

+            

+            for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {

+                $rs->genpoly[$i+1] = 1;

+

+                // Multiply rs->genpoly[] by  @**(root + x)

+                for ($j = $i; $j > 0; $j--) {

+                    if ($rs->genpoly[$j] != 0) {

+                        $rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];

+                    } else {

+                        $rs->genpoly[$j] = $rs->genpoly[$j-1];

+                    }

+                }

+                // rs->genpoly[0] can never be zero

+                $rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];

+            }

+            

+            // convert rs->genpoly[] to index form for quicker encoding

+            for ($i = 0; $i <= $nroots; $i++)

+                $rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]];

+

+            return $rs;

+        }

+        

+        //----------------------------------------------------------------------

+        public function encode_rs_char($data, &$parity)

+        {

+            $MM       =& $this->mm;

+            $NN       =& $this->nn;

+            $ALPHA_TO =& $this->alpha_to;

+            $INDEX_OF =& $this->index_of;

+            $GENPOLY  =& $this->genpoly;

+            $NROOTS   =& $this->nroots;

+            $FCR      =& $this->fcr;

+            $PRIM     =& $this->prim;

+            $IPRIM    =& $this->iprim;

+            $PAD      =& $this->pad;

+            $A0       =& $NN;

+

+            $parity = array_fill(0, $NROOTS, 0);

+

+            for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) {

+                

+                $feedback = $INDEX_OF[$data[$i] ^ $parity[0]];

+                if($feedback != $A0) {      

+                    // feedback term is non-zero

+            

+                    // This line is unnecessary when GENPOLY[NROOTS] is unity, as it must

+                    // always be for the polynomials constructed by init_rs()

+                    $feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);

+            

+                    for($j=1;$j<$NROOTS;$j++) {

+                        $parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];

+                    }

+                }

+                

+                // Shift 

+                array_shift($parity);

+                if($feedback != $A0) {

+                    array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);

+                } else {

+                    array_push($parity, 0);

+                }

+            }

+        }

+    }

+    

+    //##########################################################################

+    

+    class QRrs {

+    

+        public static $items = array();

+        

+        //----------------------------------------------------------------------

+        public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)

+        {

+            foreach(self::$items as $rs) {

+                if($rs->pad != $pad)       continue;

+                if($rs->nroots != $nroots) continue;

+                if($rs->mm != $symsize)    continue;

+                if($rs->gfpoly != $gfpoly) continue;

+                if($rs->fcr != $fcr)       continue;

+                if($rs->prim != $prim)     continue;

+

+                return $rs;

+            }

+

+            $rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);

+            array_unshift(self::$items, $rs);

+

+            return $rs;

+        }

+    }
\ No newline at end of file
diff --git a/library/phpqrcode/qrspec.php b/library/phpqrcode/qrspec.php
new file mode 100644
index 000000000..92aea0c78
--- /dev/null
+++ b/library/phpqrcode/qrspec.php
@@ -0,0 +1,592 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * QR Code specifications

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * The following data / specifications are taken from

+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)

+ *  or

+ * "Automatic identification and data capture techniques -- 

+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    define('QRSPEC_VERSION_MAX', 40);

+    define('QRSPEC_WIDTH_MAX',   177);

+

+    define('QRCAP_WIDTH',        0);

+    define('QRCAP_WORDS',        1);

+    define('QRCAP_REMINDER',     2);

+    define('QRCAP_EC',           3);

+

+    class QRspec {

+    

+        public static $capacity = array(

+            array(  0,    0, 0, array(   0,    0,    0,    0)),

+            array( 21,   26, 0, array(   7,   10,   13,   17)), // 1

+            array( 25,   44, 7, array(  10,   16,   22,   28)),

+            array( 29,   70, 7, array(  15,   26,   36,   44)),

+            array( 33,  100, 7, array(  20,   36,   52,   64)),

+            array( 37,  134, 7, array(  26,   48,   72,   88)), // 5

+            array( 41,  172, 7, array(  36,   64,   96,  112)),

+            array( 45,  196, 0, array(  40,   72,  108,  130)),

+            array( 49,  242, 0, array(  48,   88,  132,  156)),

+            array( 53,  292, 0, array(  60,  110,  160,  192)),

+            array( 57,  346, 0, array(  72,  130,  192,  224)), //10

+            array( 61,  404, 0, array(  80,  150,  224,  264)),

+            array( 65,  466, 0, array(  96,  176,  260,  308)),

+            array( 69,  532, 0, array( 104,  198,  288,  352)),

+            array( 73,  581, 3, array( 120,  216,  320,  384)),

+            array( 77,  655, 3, array( 132,  240,  360,  432)), //15

+            array( 81,  733, 3, array( 144,  280,  408,  480)),

+            array( 85,  815, 3, array( 168,  308,  448,  532)),

+            array( 89,  901, 3, array( 180,  338,  504,  588)),

+            array( 93,  991, 3, array( 196,  364,  546,  650)),

+            array( 97, 1085, 3, array( 224,  416,  600,  700)), //20

+            array(101, 1156, 4, array( 224,  442,  644,  750)),

+            array(105, 1258, 4, array( 252,  476,  690,  816)),

+            array(109, 1364, 4, array( 270,  504,  750,  900)),

+            array(113, 1474, 4, array( 300,  560,  810,  960)),

+            array(117, 1588, 4, array( 312,  588,  870, 1050)), //25

+            array(121, 1706, 4, array( 336,  644,  952, 1110)),

+            array(125, 1828, 4, array( 360,  700, 1020, 1200)),

+            array(129, 1921, 3, array( 390,  728, 1050, 1260)),

+            array(133, 2051, 3, array( 420,  784, 1140, 1350)),

+            array(137, 2185, 3, array( 450,  812, 1200, 1440)), //30

+            array(141, 2323, 3, array( 480,  868, 1290, 1530)),

+            array(145, 2465, 3, array( 510,  924, 1350, 1620)),

+            array(149, 2611, 3, array( 540,  980, 1440, 1710)),

+            array(153, 2761, 3, array( 570, 1036, 1530, 1800)),

+            array(157, 2876, 0, array( 570, 1064, 1590, 1890)), //35

+            array(161, 3034, 0, array( 600, 1120, 1680, 1980)),

+            array(165, 3196, 0, array( 630, 1204, 1770, 2100)),

+            array(169, 3362, 0, array( 660, 1260, 1860, 2220)),

+            array(173, 3532, 0, array( 720, 1316, 1950, 2310)),

+            array(177, 3706, 0, array( 750, 1372, 2040, 2430)) //40

+        );

+        

+        //----------------------------------------------------------------------

+        public static function getDataLength($version, $level)

+        {

+            return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getECCLength($version, $level)

+        {

+            return self::$capacity[$version][QRCAP_EC][$level];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getWidth($version)

+        {

+            return self::$capacity[$version][QRCAP_WIDTH];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getRemainder($version)

+        {

+            return self::$capacity[$version][QRCAP_REMINDER];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function getMinimumVersion($size, $level)

+        {

+

+            for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) {

+                $words  = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level];

+                if($words >= $size) 

+                    return $i;

+            }

+

+            return -1;

+        }

+    

+        //######################################################################

+        

+        public static $lengthTableBits = array(

+            array(10, 12, 14),

+            array( 9, 11, 13),

+            array( 8, 16, 16),

+            array( 8, 10, 12)

+        );

+        

+        //----------------------------------------------------------------------

+        public static function lengthIndicator($mode, $version)

+        {

+            if ($mode == QR_MODE_STRUCTURE)

+                return 0;

+                

+            if ($version <= 9) {

+                $l = 0;

+            } else if ($version <= 26) {

+                $l = 1;

+            } else {

+                $l = 2;

+            }

+

+            return self::$lengthTableBits[$mode][$l];

+        }

+        

+        //----------------------------------------------------------------------

+        public static function maximumWords($mode, $version)

+        {

+            if($mode == QR_MODE_STRUCTURE) 

+                return 3;

+                

+            if($version <= 9) {

+                $l = 0;

+            } else if($version <= 26) {

+                $l = 1;

+            } else {

+                $l = 2;

+            }

+

+            $bits = self::$lengthTableBits[$mode][$l];

+            $words = (1 << $bits) - 1;

+            

+            if($mode == QR_MODE_KANJI) {

+                $words *= 2; // the number of bytes is required

+            }

+

+            return $words;

+        }

+

+        // Error correction code -----------------------------------------------

+        // Table of the error correction code (Reed-Solomon block)

+        // See Table 12-16 (pp.30-36), JIS X0510:2004.

+

+        public static $eccTable = array(

+            array(array( 0,  0), array( 0,  0), array( 0,  0), array( 0,  0)),

+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)), // 1

+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)),

+            array(array( 1,  0), array( 1,  0), array( 2,  0), array( 2,  0)),

+            array(array( 1,  0), array( 2,  0), array( 2,  0), array( 4,  0)),

+            array(array( 1,  0), array( 2,  0), array( 2,  2), array( 2,  2)), // 5

+            array(array( 2,  0), array( 4,  0), array( 4,  0), array( 4,  0)),

+            array(array( 2,  0), array( 4,  0), array( 2,  4), array( 4,  1)),

+            array(array( 2,  0), array( 2,  2), array( 4,  2), array( 4,  2)),

+            array(array( 2,  0), array( 3,  2), array( 4,  4), array( 4,  4)),

+            array(array( 2,  2), array( 4,  1), array( 6,  2), array( 6,  2)), //10

+            array(array( 4,  0), array( 1,  4), array( 4,  4), array( 3,  8)),

+            array(array( 2,  2), array( 6,  2), array( 4,  6), array( 7,  4)),

+            array(array( 4,  0), array( 8,  1), array( 8,  4), array(12,  4)),

+            array(array( 3,  1), array( 4,  5), array(11,  5), array(11,  5)),

+            array(array( 5,  1), array( 5,  5), array( 5,  7), array(11,  7)), //15

+            array(array( 5,  1), array( 7,  3), array(15,  2), array( 3, 13)),

+            array(array( 1,  5), array(10,  1), array( 1, 15), array( 2, 17)),

+            array(array( 5,  1), array( 9,  4), array(17,  1), array( 2, 19)),

+            array(array( 3,  4), array( 3, 11), array(17,  4), array( 9, 16)),

+            array(array( 3,  5), array( 3, 13), array(15,  5), array(15, 10)), //20

+            array(array( 4,  4), array(17,  0), array(17,  6), array(19,  6)),

+            array(array( 2,  7), array(17,  0), array( 7, 16), array(34,  0)),

+            array(array( 4,  5), array( 4, 14), array(11, 14), array(16, 14)),

+            array(array( 6,  4), array( 6, 14), array(11, 16), array(30,  2)),

+            array(array( 8,  4), array( 8, 13), array( 7, 22), array(22, 13)), //25

+            array(array(10,  2), array(19,  4), array(28,  6), array(33,  4)),

+            array(array( 8,  4), array(22,  3), array( 8, 26), array(12, 28)),

+            array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)),

+            array(array( 7,  7), array(21,  7), array( 1, 37), array(19, 26)),

+            array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), //30

+            array(array(13,  3), array( 2, 29), array(42,  1), array(23, 28)),

+            array(array(17,  0), array(10, 23), array(10, 35), array(19, 35)),

+            array(array(17,  1), array(14, 21), array(29, 19), array(11, 46)),

+            array(array(13,  6), array(14, 23), array(44,  7), array(59,  1)),

+            array(array(12,  7), array(12, 26), array(39, 14), array(22, 41)), //35

+            array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)),

+            array(array(17,  4), array(29, 14), array(49, 10), array(24, 46)),

+            array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)),

+            array(array(20,  4), array(40,  7), array(43, 22), array(10, 67)),

+            array(array(19,  6), array(18, 31), array(34, 34), array(20, 61)),//40

+        );                                                                       

+

+        //----------------------------------------------------------------------

+        // CACHEABLE!!!

+        

+        public static function getEccSpec($version, $level, array &$spec)

+        {

+            if (count($spec) < 5) {

+                $spec = array(0,0,0,0,0);

+            }

+

+            $b1   = self::$eccTable[$version][$level][0];

+            $b2   = self::$eccTable[$version][$level][1];

+            $data = self::getDataLength($version, $level);

+            $ecc  = self::getECCLength($version, $level);

+

+            if($b2 == 0) {

+                $spec[0] = $b1;

+                $spec[1] = (int)($data / $b1);

+                $spec[2] = (int)($ecc / $b1);

+                $spec[3] = 0; 

+                $spec[4] = 0;

+            } else {

+                $spec[0] = $b1;

+                $spec[1] = (int)($data / ($b1 + $b2));

+                $spec[2] = (int)($ecc  / ($b1 + $b2));

+                $spec[3] = $b2;

+                $spec[4] = $spec[1] + 1;

+            }

+        }

+

+        // Alignment pattern ---------------------------------------------------

+

+        // Positions of alignment patterns.

+        // This array includes only the second and the third position of the 

+        // alignment patterns. Rest of them can be calculated from the distance 

+        // between them.

+         

+        // See Table 1 in Appendix E (pp.71) of JIS X0510:2004.

+         

+        public static $alignmentPattern = array(      

+            array( 0,  0),

+            array( 0,  0), array(18,  0), array(22,  0), array(26,  0), array(30,  0), // 1- 5

+            array(34,  0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10

+            array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15

+            array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20

+            array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25

+            array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30

+            array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35

+            array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40

+        );                                                                                  

+

+        

+        /** --------------------------------------------------------------------

+         * Put an alignment marker.

+         * @param frame

+         * @param width

+         * @param ox,oy center coordinate of the pattern

+         */

+        public static function putAlignmentMarker(array &$frame, $ox, $oy)

+        {

+            $finder = array(

+                "\xa1\xa1\xa1\xa1\xa1",

+                "\xa1\xa0\xa0\xa0\xa1",

+                "\xa1\xa0\xa1\xa0\xa1",

+                "\xa1\xa0\xa0\xa0\xa1",

+                "\xa1\xa1\xa1\xa1\xa1"

+            );                        

+            

+            $yStart = $oy-2;         

+            $xStart = $ox-2;

+            

+            for($y=0; $y<5; $y++) {

+                QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function putAlignmentPattern($version, &$frame, $width)

+        {

+            if($version < 2)

+                return;

+

+            $d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0];

+            if($d < 0) {

+                $w = 2;

+            } else {

+                $w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2);

+            }

+

+            if($w * $w - 3 == 1) {

+                $x = self::$alignmentPattern[$version][0];

+                $y = self::$alignmentPattern[$version][0];

+                self::putAlignmentMarker($frame, $x, $y);

+                return;

+            }

+

+            $cx = self::$alignmentPattern[$version][0];

+            for($x=1; $x<$w - 1; $x++) {

+                self::putAlignmentMarker($frame, 6, $cx);

+                self::putAlignmentMarker($frame, $cx,  6);

+                $cx += $d;

+            }

+

+            $cy = self::$alignmentPattern[$version][0];

+            for($y=0; $y<$w-1; $y++) {

+                $cx = self::$alignmentPattern[$version][0];

+                for($x=0; $x<$w-1; $x++) {

+                    self::putAlignmentMarker($frame, $cx, $cy);

+                    $cx += $d;

+                }

+                $cy += $d;

+            }

+        }

+

+        // Version information pattern -----------------------------------------

+

+		// Version information pattern (BCH coded).

+        // See Table 1 in Appendix D (pp.68) of JIS X0510:2004.

+        

+		// size: [QRSPEC_VERSION_MAX - 6]

+		

+        public static $versionPattern = array(

+            0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d,

+            0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9,

+            0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75,

+            0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64,

+            0x27541, 0x28c69

+        );

+

+        //----------------------------------------------------------------------

+        public static function getVersionPattern($version)

+        {

+            if($version < 7 || $version > QRSPEC_VERSION_MAX)

+                return 0;

+

+            return self::$versionPattern[$version -7];

+        }

+

+        // Format information --------------------------------------------------

+        // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)

+        

+        public static $formatInfo = array(

+            array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),

+            array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),

+            array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),

+            array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)

+        );

+

+        public static function getFormatInfo($mask, $level)

+        {

+            if($mask < 0 || $mask > 7)

+                return 0;

+                

+            if($level < 0 || $level > 3)

+                return 0;                

+

+            return self::$formatInfo[$level][$mask];

+        }

+

+        // Frame ---------------------------------------------------------------

+        // Cache of initial frames.

+         

+        public static $frames = array();

+

+        /** --------------------------------------------------------------------

+         * Put a finder pattern.

+         * @param frame

+         * @param width

+         * @param ox,oy upper-left coordinate of the pattern

+         */

+        public static function putFinderPattern(&$frame, $ox, $oy)

+        {

+            $finder = array(

+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1",

+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",

+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",

+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1"

+            );                            

+            

+            for($y=0; $y<7; $y++) {

+                QRstr::set($frame, $ox, $oy+$y, $finder[$y]);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function createFrame($version)

+        {

+            $width = self::$capacity[$version][QRCAP_WIDTH];

+            $frameLine = str_repeat ("\0", $width);

+            $frame = array_fill(0, $width, $frameLine);

+

+            // Finder pattern

+            self::putFinderPattern($frame, 0, 0);

+            self::putFinderPattern($frame, $width - 7, 0);

+            self::putFinderPattern($frame, 0, $width - 7);

+            

+            // Separator

+            $yOffset = $width - 7;

+            

+            for($y=0; $y<7; $y++) {

+                $frame[$y][7] = "\xc0";

+                $frame[$y][$width - 8] = "\xc0";

+                $frame[$yOffset][7] = "\xc0";

+                $yOffset++;

+            }

+            

+            $setPattern = str_repeat("\xc0", 8);

+            

+            QRstr::set($frame, 0, 7, $setPattern);

+            QRstr::set($frame, $width-8, 7, $setPattern);

+            QRstr::set($frame, 0, $width - 8, $setPattern);

+        

+            // Format info

+            $setPattern = str_repeat("\x84", 9);

+            QRstr::set($frame, 0, 8, $setPattern);

+            QRstr::set($frame, $width - 8, 8, $setPattern, 8);

+            

+            $yOffset = $width - 8;

+

+            for($y=0; $y<8; $y++,$yOffset++) {

+                $frame[$y][8] = "\x84";

+                $frame[$yOffset][8] = "\x84";

+            }

+

+            // Timing pattern  

+            

+            for($i=1; $i<$width-15; $i++) {

+                $frame[6][7+$i] = chr(0x90 | ($i & 1));

+                $frame[7+$i][6] = chr(0x90 | ($i & 1));

+            }

+            

+            // Alignment pattern  

+            self::putAlignmentPattern($version, $frame, $width);

+            

+            // Version information 

+            if($version >= 7) {

+                $vinf = self::getVersionPattern($version);

+

+                $v = $vinf;

+                

+                for($x=0; $x<6; $x++) {

+                    for($y=0; $y<3; $y++) {

+                        $frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1));

+                        $v = $v >> 1;

+                    }

+                }

+

+                $v = $vinf;

+                for($y=0; $y<6; $y++) {

+                    for($x=0; $x<3; $x++) {

+                        $frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1));

+                        $v = $v >> 1;

+                    }

+                }

+            }

+    

+            // and a little bit...  

+            $frame[$width - 8][8] = "\x81";

+            

+            return $frame;

+        }

+

+        //----------------------------------------------------------------------

+        public static function debug($frame, $binary_mode = false)

+        {

+            if ($binary_mode) {

+            

+                    foreach ($frame as &$frameLine) {

+                        $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));

+                        $frameLine = join('&#9608;&#9608;', explode('1', $frameLine));

+                    }

+                    

+                    ?>

+                <style>

+                    .m { background-color: white; }

+                </style>

+                <?php

+                    echo '<pre><tt><br/ ><br/ ><br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';

+                    echo join("<br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;", $frame);

+                    echo '</tt></pre><br/ ><br/ ><br/ ><br/ ><br/ ><br/ >';

+            

+            } else {

+            

+                foreach ($frame as &$frameLine) {

+                    $frameLine = join('<span class="m">&nbsp;</span>',  explode("\xc0", $frameLine));

+                    $frameLine = join('<span class="m">&#9618;</span>', explode("\xc1", $frameLine));

+                    $frameLine = join('<span class="p">&nbsp;</span>',  explode("\xa0", $frameLine));

+                    $frameLine = join('<span class="p">&#9618;</span>', explode("\xa1", $frameLine));

+                    $frameLine = join('<span class="s">&#9671;</span>', explode("\x84", $frameLine)); //format 0

+                    $frameLine = join('<span class="s">&#9670;</span>', explode("\x85", $frameLine)); //format 1

+                    $frameLine = join('<span class="x">&#9762;</span>', explode("\x81", $frameLine)); //special bit

+                    $frameLine = join('<span class="c">&nbsp;</span>',  explode("\x90", $frameLine)); //clock 0

+                    $frameLine = join('<span class="c">&#9719;</span>', explode("\x91", $frameLine)); //clock 1

+                    $frameLine = join('<span class="f">&nbsp;</span>',  explode("\x88", $frameLine)); //version

+                    $frameLine = join('<span class="f">&#9618;</span>', explode("\x89", $frameLine)); //version

+                    $frameLine = join('&#9830;', explode("\x01", $frameLine));

+                    $frameLine = join('&#8901;', explode("\0", $frameLine));

+                }

+                

+                ?>

+                <style>

+                    .p { background-color: yellow; }

+                    .m { background-color: #00FF00; }

+                    .s { background-color: #FF0000; }

+                    .c { background-color: aqua; }

+                    .x { background-color: pink; }

+                    .f { background-color: gold; }

+                </style>

+                <?php

+                echo "<pre><tt>";

+                echo join("<br/ >", $frame);

+                echo "</tt></pre>";

+            

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public static function serial($frame)

+        {

+            return gzcompress(join("\n", $frame), 9);

+        }

+        

+        //----------------------------------------------------------------------

+        public static function unserial($code)

+        {

+            return explode("\n", gzuncompress($code));

+        }

+        

+        //----------------------------------------------------------------------

+        public static function newFrame($version)

+        {

+            if($version < 1 || $version > QRSPEC_VERSION_MAX) 

+                return null;

+

+            if(!isset(self::$frames[$version])) {

+                

+                $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat';

+                

+                if (QR_CACHEABLE) {

+                    if (file_exists($fileName)) {

+                        self::$frames[$version] = self::unserial(file_get_contents($fileName));

+                    } else {

+                        self::$frames[$version] = self::createFrame($version);

+                        file_put_contents($fileName, self::serial(self::$frames[$version]));

+                    }

+                } else {

+                    self::$frames[$version] = self::createFrame($version);

+                }

+            }

+            

+            if(is_null(self::$frames[$version]))

+                return null;

+

+            return self::$frames[$version];

+        }

+

+        //----------------------------------------------------------------------

+        public static function rsBlockNum($spec)     { return $spec[0] + $spec[3]; }

+        public static function rsBlockNum1($spec)    { return $spec[0]; }

+        public static function rsDataCodes1($spec)   { return $spec[1]; }

+        public static function rsEccCodes1($spec)    { return $spec[2]; }

+        public static function rsBlockNum2($spec)    { return $spec[3]; }

+        public static function rsDataCodes2($spec)   { return $spec[4]; }

+        public static function rsEccCodes2($spec)    { return $spec[2]; }

+        public static function rsDataLength($spec)   { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);    }

+        public static function rsEccLength($spec)    { return ($spec[0] + $spec[3]) * $spec[2]; }

+        

+    }
\ No newline at end of file
diff --git a/library/phpqrcode/qrsplit.php b/library/phpqrcode/qrsplit.php
new file mode 100644
index 000000000..d75b82737
--- /dev/null
+++ b/library/phpqrcode/qrsplit.php
@@ -0,0 +1,311 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Input splitting classes

+ *

+ * Based on libqrencode C library distributed under LGPL 2.1

+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * The following data / specifications are taken from

+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)

+ *  or

+ * "Automatic identification and data capture techniques -- 

+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+    class QRsplit {

+

+        public $dataStr = '';

+        public $input;

+        public $modeHint;

+

+        //----------------------------------------------------------------------

+        public function __construct($dataStr, $input, $modeHint) 

+        {

+            $this->dataStr  = $dataStr;

+            $this->input    = $input;

+            $this->modeHint = $modeHint;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function isdigitat($str, $pos)

+        {    

+            if ($pos >= strlen($str))

+                return false;

+            

+            return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9')));

+        }

+        

+        //----------------------------------------------------------------------

+        public static function isalnumat($str, $pos)

+        {

+            if ($pos >= strlen($str))

+                return false;

+                

+            return (QRinput::lookAnTable(ord($str[$pos])) >= 0);

+        }

+

+        //----------------------------------------------------------------------

+        public function identifyMode($pos)

+        {

+            if ($pos >= strlen($this->dataStr)) 

+                return QR_MODE_NUL;

+                

+            $c = $this->dataStr[$pos];

+            

+            if(self::isdigitat($this->dataStr, $pos)) {

+                return QR_MODE_NUM;

+            } else if(self::isalnumat($this->dataStr, $pos)) {

+                return QR_MODE_AN;

+            } else if($this->modeHint == QR_MODE_KANJI) {

+            

+                if ($pos+1 < strlen($this->dataStr)) 

+                {

+                    $d = $this->dataStr[$pos+1];

+                    $word = (ord($c) << 8) | ord($d);

+                    if(($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) {

+                        return QR_MODE_KANJI;

+                    }

+                }

+            }

+

+            return QR_MODE_8;

+        } 

+        

+        //----------------------------------------------------------------------

+        public function eatNum()

+        {

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 0;

+            while(self::isdigitat($this->dataStr, $p)) {

+                $p++;

+            }

+            

+            $run = $p;

+            $mode = $this->identifyMode($p);

+            

+            if($mode == QR_MODE_8) {

+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln

+                     + QRinput::estimateBitsMode8(1)         // + 4 + l8

+                     - QRinput::estimateBitsMode8($run + 1); // - 4 - l8

+                if($dif > 0) {

+                    return $this->eat8();

+                }

+            }

+            if($mode == QR_MODE_AN) {

+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln

+                     + QRinput::estimateBitsModeAn(1)        // + 4 + la

+                     - QRinput::estimateBitsModeAn($run + 1);// - 4 - la

+                if($dif > 0) {

+                    return $this->eatAn();

+                }

+            }

+            

+            $ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+        

+        //----------------------------------------------------------------------

+        public function eatAn()

+        {

+            $la = QRspec::lengthIndicator(QR_MODE_AN,  $this->input->getVersion());

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 0;

+            

+            while(self::isalnumat($this->dataStr, $p)) {

+                if(self::isdigitat($this->dataStr, $p)) {

+                    $q = $p;

+                    while(self::isdigitat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    

+                    $dif = QRinput::estimateBitsModeAn($p) // + 4 + la

+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln

+                         - QRinput::estimateBitsModeAn($q); // - 4 - la

+                         

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else {

+                    $p++;

+                }

+            }

+

+            $run = $p;

+

+            if(!self::isalnumat($this->dataStr, $p)) {

+                $dif = QRinput::estimateBitsModeAn($run) + 4 + $la

+                     + QRinput::estimateBitsMode8(1) // + 4 + l8

+                      - QRinput::estimateBitsMode8($run + 1); // - 4 - l8

+                if($dif > 0) {

+                    return $this->eat8();

+                }

+            }

+

+            $ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+        

+        //----------------------------------------------------------------------

+        public function eatKanji()

+        {

+            $p = 0;

+            

+            while($this->identifyMode($p) == QR_MODE_KANJI) {

+                $p += 2;

+            }

+            

+            $ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+

+        //----------------------------------------------------------------------

+        public function eat8()

+        {

+            $la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());

+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());

+

+            $p = 1;

+            $dataStrLen = strlen($this->dataStr);

+            

+            while($p < $dataStrLen) {

+                

+                $mode = $this->identifyMode($p);

+                if($mode == QR_MODE_KANJI) {

+                    break;

+                }

+                if($mode == QR_MODE_NUM) {

+                    $q = $p;

+                    while(self::isdigitat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    $dif = QRinput::estimateBitsMode8($p) // + 4 + l8

+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln

+                         - QRinput::estimateBitsMode8($q); // - 4 - l8

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else if($mode == QR_MODE_AN) {

+                    $q = $p;

+                    while(self::isalnumat($this->dataStr, $q)) {

+                        $q++;

+                    }

+                    $dif = QRinput::estimateBitsMode8($p)  // + 4 + l8

+                         + QRinput::estimateBitsModeAn($q - $p) + 4 + $la

+                         - QRinput::estimateBitsMode8($q); // - 4 - l8

+                    if($dif < 0) {

+                        break;

+                    } else {

+                        $p = $q;

+                    }

+                } else {

+                    $p++;

+                }

+            }

+

+            $run = $p;

+            $ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));

+            

+            if($ret < 0)

+                return -1;

+

+            return $run;

+        }

+

+        //----------------------------------------------------------------------

+        public function splitString()

+        {

+            while (strlen($this->dataStr) > 0)

+            {

+                if($this->dataStr == '')

+                    return 0;

+

+                $mode = $this->identifyMode(0);

+                

+                switch ($mode) {

+                    case QR_MODE_NUM: $length = $this->eatNum(); break;

+                    case QR_MODE_AN:  $length = $this->eatAn(); break;

+                    case QR_MODE_KANJI:

+                        if ($hint == QR_MODE_KANJI)

+                                $length = $this->eatKanji();

+                        else    $length = $this->eat8();

+                        break;

+                    default: $length = $this->eat8(); break;

+                

+                }

+

+                if($length == 0) return 0;

+                if($length < 0)  return -1;

+                

+                $this->dataStr = substr($this->dataStr, $length);

+            }

+        }

+

+        //----------------------------------------------------------------------

+        public function toUpper()

+        {

+            $stringLen = strlen($this->dataStr);

+            $p = 0;

+            

+            while ($p<$stringLen) {

+                $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);

+                if($mode == QR_MODE_KANJI) {

+                    $p += 2;

+                } else {

+                    if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {

+                        $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);

+                    }

+                    $p++;

+                }

+            }

+

+            return $this->dataStr;

+        }

+

+        //----------------------------------------------------------------------

+        public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)

+        {

+            if(is_null($string) || $string == '\0' || $string == '') {

+                throw new Exception('empty string!!!');

+            }

+

+            $split = new QRsplit($string, $input, $modeHint);

+            

+            if(!$casesensitive)

+                $split->toUpper();

+                

+            return $split->splitString();

+        }

+    }
\ No newline at end of file
diff --git a/library/phpqrcode/qrtools.php b/library/phpqrcode/qrtools.php
new file mode 100644
index 000000000..3012db493
--- /dev/null
+++ b/library/phpqrcode/qrtools.php
@@ -0,0 +1,172 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Toolset, handy and debug utilites.

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+

+    class QRtools {

+    

+        //----------------------------------------------------------------------

+        public static function binarize($frame)

+        {

+            $len = count($frame);

+            foreach ($frame as &$frameLine) {

+                

+                for($i=0; $i<$len; $i++) {

+                    $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';

+                }

+            }

+            

+            return $frame;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')

+        {

+            $barcode_array = array();

+            

+            if (!is_array($mode))

+                $mode = explode(',', $mode);

+                

+            $eccLevel = 'L';

+                

+            if (count($mode) > 1) {

+                $eccLevel = $mode[1];

+            }

+                

+            $qrTab = QRcode::text($code, false, $eccLevel);

+            $size = count($qrTab);

+                

+            $barcode_array['num_rows'] = $size;

+            $barcode_array['num_cols'] = $size;

+            $barcode_array['bcode'] = array();

+                

+            foreach ($qrTab as $line) {

+                $arrAdd = array();

+                foreach(str_split($line) as $char)

+                    $arrAdd[] = ($char=='1')?1:0;

+                $barcode_array['bcode'][] = $arrAdd;

+            }

+                    

+            return $barcode_array;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function clearCache()

+        {

+            self::$frames = array();

+        }

+        

+        //----------------------------------------------------------------------

+        public static function buildCache()

+        {

+			QRtools::markTime('before_build_cache');

+			

+			$mask = new QRmask();

+            for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) {

+                $frame = QRspec::newFrame($a);

+                if (QR_IMAGE) {

+                    $fileName = QR_CACHE_DIR.'frame_'.$a.'.png';

+                    QRimage::png(self::binarize($frame), $fileName, 1, 0);

+                }

+				

+				$width = count($frame);

+				$bitMask = array_fill(0, $width, array_fill(0, $width, 0));

+				for ($maskNo=0; $maskNo<8; $maskNo++)

+					$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);

+            }

+			

+			QRtools::markTime('after_build_cache');

+        }

+

+        //----------------------------------------------------------------------

+        public static function log($outfile, $err)

+        {

+            if (QR_LOG_DIR !== false) {

+                if ($err != '') {

+                    if ($outfile !== false) {

+                        file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);

+                    } else {

+                        file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);

+                    }

+                }    

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public static function dumpMask($frame) 

+        {

+            $width = count($frame);

+            for($y=0;$y<$width;$y++) {

+                for($x=0;$x<$width;$x++) {

+                    echo ord($frame[$y][$x]).',';

+                }

+            }

+        }

+        

+        //----------------------------------------------------------------------

+        public static function markTime($markerId)

+        {

+            list($usec, $sec) = explode(" ", microtime());

+            $time = ((float)$usec + (float)$sec);

+            

+            if (!isset($GLOBALS['qr_time_bench']))

+                $GLOBALS['qr_time_bench'] = array();

+            

+            $GLOBALS['qr_time_bench'][$markerId] = $time;

+        }

+        

+        //----------------------------------------------------------------------

+        public static function timeBenchmark()

+        {

+            self::markTime('finish');

+        

+            $lastTime = 0;

+            $startTime = 0;

+            $p = 0;

+

+            echo '<table cellpadding="3" cellspacing="1">

+                    <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>

+                    <tbody>';

+

+            foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {

+                if ($p > 0) {

+                    echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';

+                } else {

+                    $startTime = $thisTime;

+                }

+                

+                $p++;

+                $lastTime = $thisTime;

+            }

+            

+            echo '</tbody><tfoot>

+                <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr>

+            </tfoot>

+            </table>';

+        }

+        

+    }

+    

+    //##########################################################################

+    

+    QRtools::markTime('start');

+    
\ No newline at end of file
diff --git a/library/phpqrcode/tools/merge.bat b/library/phpqrcode/tools/merge.bat
new file mode 100644
index 000000000..b60a4853c
--- /dev/null
+++ b/library/phpqrcode/tools/merge.bat
@@ -0,0 +1,2 @@
+php ./merge.php

+pause
\ No newline at end of file
diff --git a/library/phpqrcode/tools/merge.php b/library/phpqrcode/tools/merge.php
new file mode 100644
index 000000000..19d338b34
--- /dev/null
+++ b/library/phpqrcode/tools/merge.php
@@ -0,0 +1,70 @@
+<?php

+

+/*

+ * PHP QR Code encoder

+ *

+ * Tool for merging all library files into one, simpler to incorporate.

+ * 

+ * MAKE SURE THAT RESULTING PHPQRCode.php (and its dir) ARE WRITABLE!

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+    $QR_BASEDIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR;

+    $QR_TOOLSDIR = dirname(__FILE__).DIRECTORY_SEPARATOR;

+    

+    $outputFile = $QR_BASEDIR.'phpqrcode.php';

+    

+    // Required libs

+    

+    $fileList = array(

+        $QR_BASEDIR.'qrconst.php',

+        $QR_TOOLSDIR.'merged_config.php',

+        $QR_BASEDIR.'qrtools.php',

+        $QR_BASEDIR.'qrspec.php',

+        $QR_BASEDIR.'qrimage.php',

+        $QR_BASEDIR.'qrinput.php',

+        $QR_BASEDIR.'qrbitstream.php',

+        $QR_BASEDIR.'qrsplit.php',

+        $QR_BASEDIR.'qrrscode.php',

+        $QR_BASEDIR.'qrmask.php',

+        $QR_BASEDIR.'qrencode.php'

+    );

+    

+    $headerFile = $QR_TOOLSDIR.'merged_header.php';

+    $versionFile = $QR_BASEDIR.'VERSION';

+    

+    $outputCode = '';

+    

+    foreach($fileList as $fileName) {

+        $outputCode .= "\n\n".'//---- '.basename($fileName).' -----------------------------'."\n\n";

+        $anotherCode = file_get_contents($fileName);

+        $anotherCode = preg_replace ('/^<\?php/', '', $anotherCode);

+        $anotherCode = preg_replace ('/\?>\*$/', '', $anotherCode);

+        $outputCode .= "\n\n".$anotherCode."\n\n";

+    }

+    

+	$versionDataEx = explode("\n", file_get_contents($versionFile));

+	

+    $outputContents = file_get_contents($headerFile);

+    $outputContents .= "\n\n/*\n * Version: ".trim($versionDataEx[0])."\n * Build: ".trim($versionDataEx[1])."\n */\n\n";

+    $outputContents .= $outputCode;

+    

+    file_put_contents($outputFile, $outputContents);

+    

+    
\ No newline at end of file
diff --git a/library/phpqrcode/tools/merge.sh b/library/phpqrcode/tools/merge.sh
new file mode 100644
index 000000000..e4c2fbcb8
--- /dev/null
+++ b/library/phpqrcode/tools/merge.sh
@@ -0,0 +1,2 @@
+#!/bin/sh

+php ./merge.php
\ No newline at end of file
diff --git a/library/phpqrcode/tools/merged_config.php b/library/phpqrcode/tools/merged_config.php
new file mode 100644
index 000000000..55ddb4506
--- /dev/null
+++ b/library/phpqrcode/tools/merged_config.php
@@ -0,0 +1,17 @@
+<?php

+/*

+ * PHP QR Code encoder

+ *

+ * Config file, tuned-up for merged verion

+ */

+     

+    define('QR_CACHEABLE', false);       // use cache - more disk reads but less CPU power, masks and format templates are stored there

+    define('QR_CACHE_DIR', false);       // used when QR_CACHEABLE === true

+    define('QR_LOG_DIR', false);         // default error logs dir   

+    

+    define('QR_FIND_BEST_MASK', true);                                                          // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code

+    define('QR_FIND_FROM_RANDOM', 2);                                                       // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly

+    define('QR_DEFAULT_MASK', 2);                                                               // when QR_FIND_BEST_MASK === false

+                                                  

+    define('QR_PNG_MAXIMUM_SIZE',  1024);                                                       // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images

+                                                  
\ No newline at end of file
diff --git a/library/phpqrcode/tools/merged_header.php b/library/phpqrcode/tools/merged_header.php
new file mode 100644
index 000000000..25805e564
--- /dev/null
+++ b/library/phpqrcode/tools/merged_header.php
@@ -0,0 +1,36 @@
+<?php

+

+/*

+ * PHP QR Code encoder

+ *

+ * This file contains MERGED version of PHP QR Code library.

+ * It was auto-generated from full version for your convenience.

+ *

+ * This merged version was configured to not requre any external files,

+ * with disabled cache, error loging and weker but faster mask matching.

+ * If you need tune it up please use non-merged version.

+ *

+ * For full version, documentation, examples of use please visit:

+ *

+ *    http://phpqrcode.sourceforge.net/

+ *    https://sourceforge.net/projects/phpqrcode/

+ *

+ * PHP QR Code is distributed under LGPL 3

+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation; either

+ * version 3 of the License, or any later version.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+ 

+ 
\ No newline at end of file