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-rw-r--r--library/spam/b8/storage/storage_base.php395
-rw-r--r--library/spam/b8/storage/storage_dba.php198
-rw-r--r--library/spam/b8/storage/storage_mysql.php351
3 files changed, 944 insertions, 0 deletions
diff --git a/library/spam/b8/storage/storage_base.php b/library/spam/b8/storage/storage_base.php
new file mode 100644
index 000000000..01f5a69d7
--- /dev/null
+++ b/library/spam/b8/storage/storage_base.php
@@ -0,0 +1,395 @@
+<?php
+
+# Copyright (C) 2010 Tobias Leupold <tobias.leupold@web.de>
+#
+# This file is part of the b8 package
+#
+# This program 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 in version 2.1 of the License.
+#
+# This program 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 program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+/**
+ * Functions used by all storage backends
+ * Copyright (C) 2010 Tobias Leupold <tobias.leupold@web.de>
+ *
+ * @license LGPL
+ * @access public
+ * @package b8
+ * @author Tobias Leupold
+ */
+
+abstract class b8_storage_base
+{
+
+ public $connected = FALSE;
+
+ protected $_degenerator = NULL;
+
+ const INTERNALS_TEXTS_HAM = 'bayes*texts.ham';
+ const INTERNALS_TEXTS_SPAM = 'bayes*texts.spam';
+ const INTERNALS_DBVERSION = 'bayes*dbversion';
+
+ const BACKEND_NOT_CONNECTED = 'BACKEND_NOT_CONNECTED';
+ const DATABASE_WRONG_VERSION = 'DATABASE_WRONG_VERSION';
+ const DATABASE_NOT_B8 = 'DATABASE_NOT_B8';
+
+ /**
+ * Validates the class has all it needs to work.
+ *
+ * @access protected
+ * @return mixed Returns TRUE if everything is okay, otherwise an error code.
+ */
+
+ protected function validate()
+ {
+
+ # We set up the degenerator here, as we would have to duplicate code if it
+ # was done in the constructor of the respective storage backend.
+ $class = 'b8_degenerator_' . $this->b8_config['degenerator'];
+ $this->_degenerator = new $class();
+
+ if($this->connected !== TRUE)
+ return self::BACKEND_NOT_CONNECTED;
+
+ return TRUE;
+
+ }
+
+ /**
+ * Checks if a b8 database is used and if it's version is okay
+ *
+ * @access protected
+ * @return mixed Returns TRUE if everything is okay, otherwise an error code.
+ */
+
+ protected function check_database()
+ {
+
+ $internals = $this->get_internals();
+
+ if(isset($internals['dbversion'])) {
+ if($internals['dbversion'] == "2") {
+ return TRUE;
+ }
+ else {
+ $this->connected = FALSE;
+ return self::DATABASE_WRONG_VERSION;
+ }
+ }
+ else {
+ $this->connected = FALSE;
+ return self::DATABASE_NOT_B8;
+ }
+
+ }
+
+ /**
+ * Parses the "count" data of a token.
+ *
+ * @access private
+ * @param string $data
+ * @return array Returns an array of the parsed data: array(count_ham, count_spam, lastseen).
+ */
+
+ private function _parse_count($data)
+ {
+
+ list($count_ham, $count_spam, $lastseen) = explode(' ', $data);
+
+ $count_ham = (int) $count_ham;
+ $count_spam = (int) $count_spam;
+
+ return array(
+ 'count_ham' => $count_ham,
+ 'count_spam' => $count_spam
+ );
+
+ }
+
+ /**
+ * Get the database's internal variables.
+ *
+ * @access public
+ * @return array Returns an array of all internals.
+ */
+
+ public function get_internals()
+ {
+
+ $internals = $this->_get_query(
+ array(
+ self::INTERNALS_TEXTS_HAM,
+ self::INTERNALS_TEXTS_SPAM,
+ self::INTERNALS_DBVERSION
+ )
+ );
+
+ return array(
+ 'texts_ham' => (int) $internals[self::INTERNALS_TEXTS_HAM],
+ 'texts_spam' => (int) $internals[self::INTERNALS_TEXTS_SPAM],
+ 'dbversion' => (int) $internals[self::INTERNALS_DBVERSION]
+ );
+
+ }
+
+ /**
+ * Get all data about a list of tags from the database.
+ *
+ * @access public
+ * @param array $tokens
+ * @return mixed Returns FALSE on failure, otherwise returns array of returned data in the format array('tokens' => array(token => count), 'degenerates' => array(token => array(degenerate => count))).
+ */
+
+ public function get($tokens)
+ {
+
+ # Validate the startup
+
+ $started_up = $this->validate();
+
+ if($started_up !== TRUE)
+ return $started_up;
+
+ # First we see what we have in the database.
+ $token_data = $this->_get_query($tokens);
+
+ # Check if we have to degenerate some tokens
+
+ $missing_tokens = array();
+
+ foreach($tokens as $token) {
+ if(!isset($token_data[$token]))
+ $missing_tokens[] = $token;
+ }
+
+ if(count($missing_tokens) > 0) {
+
+ # We have to degenerate some tokens
+ $degenerates_list = array();
+
+ # Generate a list of degenerated tokens for the missing tokens ...
+ $degenerates = $this->_degenerator->degenerate($missing_tokens);
+
+ # ... and look them up
+
+ foreach($degenerates as $token => $token_degenerates)
+ $degenerates_list = array_merge($degenerates_list, $token_degenerates);
+
+ $token_data = array_merge($token_data, $this->_get_query($degenerates_list));
+
+ }
+
+ # Here, we have all availible data in $token_data.
+
+ $return_data_tokens = array();
+ $return_data_degenerates = array();
+
+ foreach($tokens as $token) {
+
+ if(isset($token_data[$token]) === TRUE) {
+
+ # The token was found in the database
+
+ # Add the data ...
+ $return_data_tokens[$token] = $this->_parse_count($token_data[$token]);
+
+ # ... and update it's lastseen parameter
+ $this->_update($token, "{$return_data_tokens[$token]['count_ham']} {$return_data_tokens[$token]['count_spam']} " . $this->b8_config['today']);
+
+ }
+
+ else {
+
+ # The token was not found, so we look if we
+ # can return data for degenerated tokens
+
+ # Check all degenerated forms of the token
+
+ foreach($this->_degenerator->degenerates[$token] as $degenerate) {
+
+ if(isset($token_data[$degenerate]) === TRUE) {
+
+ # A degeneration of the token way found in the database
+
+ # Add the data ...
+ $return_data_degenerates[$token][$degenerate] = $this->_parse_count($token_data[$degenerate]);
+
+ # ... and update it's lastseen parameter
+ $this->_update($degenerate, "{$return_data_degenerates[$token][$degenerate]['count_ham']} {$return_data_degenerates[$token][$degenerate]['count_spam']} " . $this->b8_config['today']);
+
+ }
+
+ }
+
+ }
+
+ }
+
+ # Now, all token data directly found in the database is in $return_data_tokens
+ # and all data for degenerated versions is in $return_data_degenerates
+
+ # First, we commit the changes to the lastseen parameters
+ $this->_commit();
+
+ # Then, we return what we have
+ return array(
+ 'tokens' => $return_data_tokens,
+ 'degenerates' => $return_data_degenerates
+ );
+
+ }
+
+ /**
+ * Stores or deletes a list of tokens from the given category.
+ *
+ * @access public
+ * @param array $tokens
+ * @param const $category Either b8::HAM or b8::SPAM
+ * @param const $action Either b8::LEARN or b8::UNLEARN
+ * @return void
+ */
+
+ public function process_text($tokens, $category, $action)
+ {
+
+ # Validate the startup
+
+ $started_up = $this->validate();
+
+ if($started_up !== TRUE)
+ return $started_up;
+
+ # No matter what we do, we first have to check what data we have.
+
+ # First get the internals, including the ham texts and spam texts counter
+ $internals = $this->get_internals();
+
+ # Then, fetch all data for all tokens we have (and update their lastseen parameters)
+ $token_data = $this->_get_query(array_keys($tokens));
+
+ # Process all tokens to learn/unlearn
+
+ foreach($tokens as $token => $count) {
+
+ if(isset($token_data[$token])) {
+
+ # We already have this token, so update it's data
+
+ # Get the existing data
+ list($count_ham, $count_spam, $lastseen) = explode(' ', $token_data[$token]);
+ $count_ham = (int) $count_ham;
+ $count_spam = (int) $count_spam;
+
+ # Increase or decrease the right counter
+
+ if($action === b8::LEARN) {
+ if($category === b8::HAM)
+ $count_ham += $count;
+ elseif($category === b8::SPAM)
+ $count_spam += $count;
+ }
+
+ elseif($action == b8::UNLEARN) {
+ if($category === b8::HAM)
+ $count_ham -= $count;
+ elseif($category === b8::SPAM)
+ $count_spam -= $count;
+ }
+
+ # We don't want to have negative values
+
+ if($count_ham < 0)
+ $count_ham = 0;
+
+ if($count_spam < 0)
+ $count_spam = 0;
+
+ # Now let's see if we have to update or delete the token
+ if($count_ham !== 0 or $count_spam !== 0)
+ $this->_update($token, "$count_ham $count_spam " . $this->b8_config['today']);
+ else
+ $this->_del($token);
+
+ }
+
+ else {
+
+ # We don't have the token. If we unlearn a text, we can't delete it
+ # as we don't have it anyway, so just do something if we learn a text
+
+ if($action === b8::LEARN) {
+
+ if($category === b8::HAM)
+ $data = '1 0 ';
+ elseif($category === b8::SPAM)
+ $data = '0 1 ';
+
+ $data .= $this->b8_config['today'];
+
+ $this->_put($token, $data);
+
+ }
+
+ }
+
+ }
+
+ # Now, all token have been processed, so let's update the right text
+
+ if($action === b8::LEARN) {
+
+ if($category === b8::HAM) {
+ $internals['texts_ham']++;
+ $this->_update(self::INTERNALS_TEXTS_HAM, $internals['texts_ham']);
+ }
+
+ elseif($category === b8::SPAM) {
+ $internals['texts_spam']++;
+ $this->_update(self::INTERNALS_TEXTS_SPAM, $internals['texts_spam']);
+ }
+
+ }
+
+ elseif($action == b8::UNLEARN) {
+
+ if($category === b8::HAM) {
+
+ $internals['texts_ham']--;
+
+ if($internals['texts_ham'] < 0)
+ $internals['texts_ham'] = 0;
+
+ $this->_update(self::INTERNALS_TEXTS_HAM, $internals['texts_ham']);
+
+ }
+
+ elseif($category === b8::SPAM) {
+
+ $internals['texts_spam']--;
+
+ if($internals['texts_spam'] < 0)
+ $internals['texts_spam'] = 0;
+
+ $this->_update(self::INTERNALS_TEXTS_SPAM, $internals['texts_spam']);
+
+ }
+
+ }
+
+ # We're done and can commit all changes to the database now
+ $this->_commit();
+
+ }
+
+}
+
+?> \ No newline at end of file
diff --git a/library/spam/b8/storage/storage_dba.php b/library/spam/b8/storage/storage_dba.php
new file mode 100644
index 000000000..04618b23e
--- /dev/null
+++ b/library/spam/b8/storage/storage_dba.php
@@ -0,0 +1,198 @@
+<?php
+
+# Copyright (C) 2006-2010 Tobias Leupold <tobias.leupold@web.de>
+#
+# This file is part of the b8 package
+#
+# This program 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 in version 2.1 of the License.
+#
+# This program 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 program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+/**
+ * The DBA (Berkeley DB) abstraction layer for communicating with the database.
+ * Copyright (C) 2006-2010 Tobias Leupold <tobias.leupold@web.de>
+ *
+ * @license LGPL
+ * @access public
+ * @package b8
+ * @author Tobias Leupold
+ */
+
+class b8_storage_dba extends b8_storage_base
+{
+
+ public $config = array(
+ 'database' => 'wordlist.db',
+ 'handler' => 'db4',
+ );
+
+ public $b8_config = array(
+ 'degenerator' => NULL,
+ 'today' => NULL
+ );
+
+ private $_db = NULL;
+
+ const DATABASE_CONNECTION_FAIL = 'DATABASE_CONNECTION_FAIL';
+
+ /**
+ * Constructs the database layer.
+ *
+ * @access public
+ * @param string $config
+ */
+
+ function __construct($config, $degenerator, $today)
+ {
+
+ # Pass some variables of the main b8 config to this class
+ $this->b8_config['degenerator'] = $degenerator;
+ $this->b8_config['today'] = $today;
+
+ # Validate the config items
+ if(count($config) > 0) {
+ foreach ($config as $name => $value) {
+ $this->config[$name] = (string) $value;
+ }
+ }
+
+ }
+
+ /**
+ * Closes the database connection.
+ *
+ * @access public
+ * @return void
+ */
+
+ function __destruct()
+ {
+ if($this->_db !== NULL) {
+ dba_close($this->_db);
+ $this->connected = FALSE;
+ }
+ }
+
+ /**
+ * Connect to the database and do some checks.
+ *
+ * @access public
+ * @return mixed Returns TRUE on a successful database connection, otherwise returns a constant from b8.
+ */
+
+ public function connect()
+ {
+
+ # Have we already connected?
+ if($this->_db !== NULL)
+ return TRUE;
+
+ # Open the database connection
+ $this->_db = dba_open(dirname(__FILE__) . DIRECTORY_SEPARATOR . ".." . DIRECTORY_SEPARATOR . $this->config['database'], "w", $this->config['handler']);
+
+ if($this->_db === FALSE) {
+ $this->connected = FALSE;
+ $this->_db = NULL;
+ return self::DATABASE_CONNECTION_FAIL;
+ }
+
+ # Everything is okay and connected
+
+ $this->connected = TRUE;
+
+ # Let's see if this is a b8 database and the version is okay
+ return $this->check_database();
+
+ }
+
+ /**
+ * Does the actual interaction with the database when fetching data.
+ *
+ * @access protected
+ * @param array $tokens
+ * @return mixed Returns an array of the returned data in the format array(token => data) or an empty array if there was no data.
+ */
+
+ protected function _get_query($tokens)
+ {
+
+ $data = array();
+
+ foreach ($tokens as $token) {
+
+ $count = dba_fetch($token, $this->_db);
+
+ if($count !== FALSE)
+ $data[$token] = $count;
+
+ }
+
+ return $data;
+
+ }
+
+ /**
+ * Store a token to the database.
+ *
+ * @access protected
+ * @param string $token
+ * @param string $count
+ * @return bool TRUE on success or FALSE on failure
+ */
+
+ protected function _put($token, $count) {
+ return dba_insert($token, $count, $this->_db);
+ }
+
+ /**
+ * Update an existing token.
+ *
+ * @access protected
+ * @param string $token
+ * @param string $count
+ * @return bool TRUE on success or FALSE on failure
+ */
+
+ protected function _update($token, $count)
+ {
+ return dba_replace($token, $count, $this->_db);
+ }
+
+ /**
+ * Remove a token from the database.
+ *
+ * @access protected
+ * @param string $token
+ * @return bool TRUE on success or FALSE on failure
+ */
+
+ protected function _del($token)
+ {
+ return dba_delete($token, $this->_db);
+ }
+
+ /**
+ * Does nothing :-D
+ *
+ * @access protected
+ * @return void
+ */
+
+ protected function _commit()
+ {
+ # We just need this function because the (My)SQL backend(s) need it.
+ return;
+ }
+
+}
+
+?> \ No newline at end of file
diff --git a/library/spam/b8/storage/storage_mysql.php b/library/spam/b8/storage/storage_mysql.php
new file mode 100644
index 000000000..022536350
--- /dev/null
+++ b/library/spam/b8/storage/storage_mysql.php
@@ -0,0 +1,351 @@
+<?php
+
+# Copyright (C) 2006-2011 Tobias Leupold <tobias.leupold@web.de>
+#
+# This file is part of the b8 package
+#
+# This program 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 in version 2.1 of the License.
+#
+# This program 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 program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+/**
+ * The MySQL abstraction layer for communicating with the database.
+ * Copyright (C) 2009 Oliver Lillie (aka buggedcom)
+ * Copyright (C) 2010-2011 Tobias Leupold <tobias.leupold@web.de>
+ *
+ * @license LGPL
+ * @access public
+ * @package b8
+ * @author Oliver Lillie (aka buggedcom) (original PHP 5 port and optimizations)
+ * @author Tobias Leupold
+ */
+
+class b8_storage_mysql extends b8_storage_base
+{
+
+ public $config = array(
+ 'database' => 'b8_wordlist',
+ 'table_name' => 'b8_wordlist',
+ 'host' => 'localhost',
+ 'user' => FALSE,
+ 'pass' => FALSE,
+ 'connection' => NULL
+ );
+
+ public $b8_config = array(
+ 'degenerator' => NULL,
+ 'today' => NULL
+ );
+
+ private $_connection = NULL;
+ private $_deletes = array();
+ private $_puts = array();
+ private $_updates = array();
+
+ const DATABASE_CONNECTION_FAIL = 'DATABASE_CONNECTION_FAIL';
+ const DATABASE_CONNECTION_ERROR = 'DATABASE_CONNECTION_ERROR';
+ const DATABASE_CONNECTION_BAD_RESOURCE = 'DATABASE_CONNECTION_BAD_RESOURCE';
+ const DATABASE_SELECT_ERROR = 'DATABASE_SELECT_ERROR';
+ const DATABASE_TABLE_ACCESS_FAIL = 'DATABASE_TABLE_ACCESS_FAIL';
+ const DATABASE_WRONG_VERSION = 'DATABASE_WRONG_VERSION';
+
+ /**
+ * Constructs the database layer.
+ *
+ * @access public
+ * @param string $config
+ */
+
+ function __construct($config, $degenerator, $today)
+ {
+
+ # Pass some variables of the main b8 config to this class
+ $this->b8_config['degenerator'] = $degenerator;
+ $this->b8_config['today'] = $today;
+
+ # Validate the config items
+
+ if(count($config) > 0) {
+
+ foreach ($config as $name => $value) {
+
+ switch($name) {
+
+ case 'table_name':
+ case 'host':
+ case 'user':
+ case 'pass':
+ case 'database':
+ $this->config[$name] = (string) $value;
+ break;
+
+ case 'connection':
+
+ if($value !== NULL) {
+
+ if(is_resource($value) === TRUE) {
+ $resource_type = get_resource_type($value);
+ $this->config['connection'] = $resource_type !== 'mysql link' && $resource_type !== 'mysql link persistent' ? FALSE : $value;
+ }
+
+ else
+ $this->config['connection'] = FALSE;
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ /**
+ * Closes the database connection.
+ *
+ * @access public
+ * @return void
+ */
+
+ function __destruct()
+ {
+
+ if($this->_connection === NULL)
+ return;
+
+ # Commit any changes before closing
+ $this->_commit();
+
+ # Just close the connection if no link-resource was passed and b8 created it's own connection
+ if($this->config['connection'] === NULL)
+ mysql_close($this->_connection);
+
+ $this->connected = FALSE;
+
+ }
+
+ /**
+ * Connect to the database and do some checks.
+ *
+ * @access public
+ * @return mixed Returns TRUE on a successful database connection, otherwise returns a constant from b8.
+ */
+
+ public function connect()
+ {
+
+ # Are we already connected?
+ if($this->connected === TRUE)
+ return TRUE;
+
+ # Are we using an existing passed resource?
+ if($this->config['connection'] === FALSE) {
+ # ... yes we are, but the connection is not a resource, so return an error
+ $this->connected = FALSE;
+ return self::DATABASE_CONNECTION_BAD_RESOURCE;
+ }
+
+ elseif($this->config['connection'] === NULL) {
+
+ # ... no we aren't so we have to connect.
+
+ if($this->_connection = mysql_connect($this->config['host'], $this->config['user'], $this->config['pass'])) {
+ if(mysql_select_db($this->config['database'], $this->_connection) === FALSE) {
+ $this->connected = FALSE;
+ return self::DATABASE_SELECT_ERROR . ": " . mysql_error();
+ }
+ }
+ else {
+ $this->connected = FALSE;
+ return self::DATABASE_CONNECTION_ERROR;
+ }
+
+ }
+
+ else {
+ # ... yes we are
+ $this->_connection = $this->config['connection'];
+ }
+
+ # Just in case ...
+ if($this->_connection === NULL) {
+ $this->connected = FALSE;
+ return self::DATABASE_CONNECTION_FAIL;
+ }
+
+ # Check to see if the wordlist table exists
+ if(mysql_query('DESCRIBE ' . $this->config['table_name'], $this->_connection) === FALSE) {
+ $this->connected = FALSE;
+ return self::DATABASE_TABLE_ACCESS_FAIL . ": " . mysql_error();
+ }
+
+ # Everything is okay and connected
+ $this->connected = TRUE;
+
+ # Let's see if this is a b8 database and the version is okay
+ return $this->check_database();
+
+ }
+
+ /**
+ * Does the actual interaction with the database when fetching data.
+ *
+ * @access protected
+ * @param array $tokens
+ * @return mixed Returns an array of the returned data in the format array(token => data) or an empty array if there was no data.
+ */
+
+ protected function _get_query($tokens)
+ {
+
+ # Construct the query ...
+
+ if(count($tokens) > 0) {
+
+ $where = array();
+
+ foreach ($tokens as $token) {
+ $token = mysql_real_escape_string($token, $this->_connection);
+ array_push($where, $token);
+ }
+
+ $where = 'token IN ("' . implode('", "', $where) . '")';
+ }
+
+ else {
+ $token = mysql_real_escape_string($token, $this->_connection);
+ $where = 'token = "' . $token . '"';
+ }
+
+ # ... and fetch the data
+
+ $result = mysql_query('
+ SELECT token, count
+ FROM ' . $this->config['table_name'] . '
+ WHERE ' . $where . ';
+ ', $this->_connection);
+
+ $data = array();
+
+ while ($row = mysql_fetch_array($result, MYSQL_ASSOC))
+ $data[$row['token']] = $row['count'];
+
+ mysql_free_result($result);
+
+ return $data;
+
+ }
+
+ /**
+ * Store a token to the database.
+ *
+ * @access protected
+ * @param string $token
+ * @param string $count
+ * @return void
+ */
+
+ protected function _put($token, $count) {
+ $token = mysql_real_escape_string($token, $this->_connection);
+ $count = mysql_real_escape_string($count, $this->_connection);;
+ array_push($this->_puts, '("' . $token . '", "' . $count . '")');
+ }
+
+ /**
+ * Update an existing token.
+ *
+ * @access protected
+ * @param string $token
+ * @param string $count
+ * @return void
+ */
+
+ protected function _update($token, $count)
+ {
+ $token = mysql_real_escape_string($token, $this->_connection);
+ $count = mysql_real_escape_string($count, $this->_connection);
+ array_push($this->_updates, '("' . $token . '", "' . $count . '")');
+ }
+
+ /**
+ * Remove a token from the database.
+ *
+ * @access protected
+ * @param string $token
+ * @return void
+ */
+
+ protected function _del($token)
+ {
+ $token = mysql_real_escape_string($token, $this->_connection);
+ array_push($this->_deletes, $token);
+ }
+
+ /**
+ * Commits any modification queries.
+ *
+ * @access protected
+ * @return void
+ */
+
+ protected function _commit()
+ {
+
+ if(count($this->_deletes) > 0) {
+
+ $result = mysql_query('
+ DELETE FROM ' . $this->config['table_name'] . '
+ WHERE token IN ("' . implode('", "', $this->_deletes) . '");
+ ', $this->_connection);
+
+ if(is_resource($result) === TRUE)
+ mysql_free_result($result);
+
+ $this->_deletes = array();
+
+ }
+
+ if(count($this->_puts) > 0) {
+
+ $result = mysql_query('
+ INSERT INTO ' . $this->config['table_name'] . '(token, count)
+ VALUES ' . implode(', ', $this->_puts) . ';', $this->_connection);
+
+ if(is_resource($result) === TRUE)
+ mysql_free_result($result);
+
+ $this->_puts = array();
+
+ }
+
+ if(count($this->_updates) > 0) {
+
+ $result = mysql_query('
+ INSERT INTO ' . $this->config['table_name'] . '(token, count)
+ VALUES ' . implode(', ', $this->_updates) . '
+ ON DUPLICATE KEY UPDATE ' . $this->config['table_name'] . '.count = VALUES(count);', $this->_connection);
+
+ if(is_resource($result) === TRUE)
+ mysql_free_result($result);
+
+ $this->_updates = array();
+
+ }
+
+ }
+
+}
+
+?> \ No newline at end of file