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-Tips & Tricks {#tips}
-=============
-
-Blank Variable Handling {#tips.blank.var.handling}
-=======================
-
-There may be times when you want to print a default value for an empty
-variable instead of printing nothing, such as printing ` ` so that
-html table backgrounds work properly. Many would use an
-[`{if}`](#language.function.if) statement to handle this, but there is a
-shorthand way with Smarty, using the
-[`default`](#language.modifier.default) variable modifier.
-
-> **Note**
->
-> "Undefined variable" errors will show an E\_NOTICE if not disabled in
-> PHP\'s [`error_reporting()`](&url.php-manual;error_reporting) level or
-> Smarty\'s [`$error_reporting`](#variable.error.reporting) property and
-> a variable had not been assigned to Smarty.
-
-
- {* the long way *}
- {if $title eq ''}
-  
- {else}
- {$title}
- {/if}
-
- {* the short way *}
- {$title|default:' '}
-
-
-
-See also [`default`](#language.modifier.default) modifier and [default
-variable handling](#tips.default.var.handling).
-
-Default Variable Handling {#tips.default.var.handling}
-=========================
-
-If a variable is used frequently throughout your templates, applying the
-[`default`](#language.modifier.default) modifier every time it is
-mentioned can get a bit ugly. You can remedy this by assigning the
-variable its default value with the
-[`{assign}`](#language.function.assign) function.
-
-
- {* do this somewhere at the top of your template *}
- {assign var='title' value=$title|default:'no title'}
-
- {* if $title was empty, it now contains the value "no title" when you use it *}
- {$title}
-
-
-
-See also [`default`](#language.modifier.default) modifier and [blank
-variable handling](#tips.blank.var.handling).
-
-Passing variable title to header template {#tips.passing.vars}
-=========================================
-
-When the majority of your templates use the same headers and footers, it
-is common to split those out into their own templates and
-[`{include}`](#language.function.include) them. But what if the header
-needs to have a different title, depending on what page you are coming
-from? You can pass the title to the header as an
-[attribute](#language.syntax.attributes) when it is included.
-
-`mainpage.tpl` - When the main page is drawn, the title of "Main Page"
-is passed to the `header.tpl`, and will subsequently be used as the
-title.
-
-
- {include file='header.tpl' title='Main Page'}
- {* template body goes here *}
- {include file='footer.tpl'}
-
-
-
-`archives.tpl` - When the archives page is drawn, the title will be
-"Archives". Notice in the archive example, we are using a variable from
-the `archives_page.conf` file instead of a hard coded variable.
-
-
- {config_load file='archive_page.conf'}
-
- {include file='header.tpl' title=#archivePageTitle#}
- {* template body goes here *}
- {include file='footer.tpl'}
-
-
-
-`header.tpl` - Notice that "Smarty News" is printed if the `$title`
-variable is not set, using the [`default`](#language.modifier.default)
-variable modifier.
-
-
- <html>
- <head>
- <title>{$title|default:'Smarty News'}</title>
- </head>
- <body>
-
-
-
-`footer.tpl`
-
-
- </body>
- </html>
-
-
-
-Dates {#tips.dates}
-=====
-
-As a rule of thumb, always pass dates to Smarty as
-[timestamps](&url.php-manual;time). This allows template designers to
-use the [`date_format`](#language.modifier.date.format) modifier for
-full control over date formatting, and also makes it easy to compare
-dates if necessary.
-
-
- {$startDate|date_format}
-
-
-
-This will output:
-
-
- Jan 4, 2009
-
-
-
-
- {$startDate|date_format:"%Y/%m/%d"}
-
-
-
-This will output:
-
-
- 2009/01/04
-
-
-
-Dates can be compared in the template by timestamps with:
-
-
- {if $order_date < $invoice_date}
- ...do something..
- {/if}
-
-
-
-When using [`{html_select_date}`](#language.function.html.select.date)
-in a template, the programmer will most likely want to convert the
-output from the form back into timestamp format. Here is a function to
-help you with that.
-
-
- <?php
-
- // this assumes your form elements are named
- // startDate_Day, startDate_Month, startDate_Year
-
- $startDate = makeTimeStamp($startDate_Year, $startDate_Month, $startDate_Day);
-
- function makeTimeStamp($year='', $month='', $day='')
- {
- if(empty($year)) {
- $year = strftime('%Y');
- }
- if(empty($month)) {
- $month = strftime('%m');
- }
- if(empty($day)) {
- $day = strftime('%d');
- }
-
- return mktime(0, 0, 0, $month, $day, $year);
- }
- ?>
-
-
-
-See also [`{html_select_date}`](#language.function.html.select.date),
-[`{html_select_time}`](#language.function.html.select.time),
-[`date_format`](#language.modifier.date.format) and
-[`$smarty.now`](#language.variables.smarty.now),
-
-WAP/WML {#tips.wap}
-=======
-
-WAP/WML templates require a php [Content-Type
-header](&url.php-manual;header) to be passed along with the template.
-The easist way to do this would be to write a custom function that
-prints the header. If you are using [caching](#caching), that won\'t
-work so we\'ll do it using the [`{insert}`](#language.function.insert)
-tag; remember `{insert}` tags are not cached! Be sure that there is
-nothing output to the browser before the template, or else the header
-may fail.
-
-
- <?php
-
- // be sure apache is configure for the .wml extensions!
- // put this function somewhere in your application, or in Smarty.addons.php
- function insert_header($params)
- {
- // this function expects $content argument
- if (empty($params['content'])) {
- return;
- }
- header($params['content']);
- return;
- }
-
- ?>
-
-
-
-your Smarty template *must* begin with the insert tag :
-
-
- {insert name=header content="Content-Type: text/vnd.wap.wml"}
-
- <?xml version="1.0"?>
- <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
-
- <!-- begin new wml deck -->
- <wml>
- <!-- begin first card -->
- <card>
- <do type="accept">
- <go href="#two"/>
- </do>
- <p>
- Welcome to WAP with Smarty!
- Press OK to continue...
- </p>
- </card>
- <!-- begin second card -->
- <card id="two">
- <p>
- Pretty easy isn't it?
- </p>
- </card>
- </wml>
-
-
-
-Componentized Templates {#tips.componentized.templates}
-=======================
-
-Traditionally, programming templates into your applications goes as
-follows: First, you accumulate your variables within your PHP
-application, (maybe with database queries.) Then, you instantiate your
-Smarty object, [`assign()`](#api.assign) the variables and
-[`display()`](#api.display) the template. So lets say for example we
-have a stock ticker on our template. We would collect the stock data in
-our application, then assign these variables in the template and display
-it. Now wouldn\'t it be nice if you could add this stock ticker to any
-application by merely including the template, and not worry about
-fetching the data up front?
-
-You can do this by writing a custom plugin for fetching the content and
-assigning it to a template variable.
-
-`function.load_ticker.php` - drop file in
-[`$plugins directory`](#variable.plugins.dir)
-
-
- <?php
-
- // setup our function for fetching stock data
- function fetch_ticker($symbol)
- {
- // put logic here that fetches $ticker_info
- // from some ticker resource
- return $ticker_info;
- }
-
- function smarty_function_load_ticker($params, $smarty)
- {
- // call the function
- $ticker_info = fetch_ticker($params['symbol']);
-
- // assign template variable
- $smarty->assign($params['assign'], $ticker_info);
- }
- ?>
-
-
-
-`index.tpl`
-
-
- {load_ticker symbol='SMARTY' assign='ticker'}
-
- Stock Name: {$ticker.name} Stock Price: {$ticker.price}
-
-
-
-See also [`{include_php}`](#language.function.include.php),
-[`{include}`](#language.function.include) and
-[`{php}`](#language.function.php).
-
-Obfuscating E-mail Addresses {#tips.obfuscating.email}
-============================
-
-Do you ever wonder how your email address gets on so many spam mailing
-lists? One way spammers collect email addresses is from web pages. To
-help combat this problem, you can make your email address show up in
-scrambled javascript in the HTML source, yet it it will look and work
-correctly in the browser. This is done with the
-[`{mailto}`](#language.function.mailto) plugin.
-
-
- <div id="contact">Send inquiries to
- {mailto address=$EmailAddress encode='javascript' subject='Hello'}
- </div>
-
-
-
-> **Note**
->
-> This method isn\'t 100% foolproof. A spammer could conceivably program
-> his e-mail collector to decode these values, but not likely\....
-> hopefully..yet \... wheres that quantum computer :-?.
-
-See also [`escape`](#language.modifier.escape) modifier and
-[`{mailto}`](#language.function.mailto).
diff --git a/vendor/smarty/smarty/docs/appendixes/troubleshooting.md b/vendor/smarty/smarty/docs/appendixes/troubleshooting.md
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-Troubleshooting
-===============
-
-Smarty/PHP errors {#smarty.php.errors}
-=================
-
-Smarty can catch many errors such as missing tag attributes or malformed
-variable names. If this happens, you will see an error similar to the
-following:
-
-
- Warning: Smarty: [in index.tpl line 4]: syntax error: unknown tag - '%blah'
- in /path/to/smarty/Smarty.class.php on line 1041
-
- Fatal error: Smarty: [in index.tpl line 28]: syntax error: missing section name
- in /path/to/smarty/Smarty.class.php on line 1041
-
-
-
-Smarty shows you the template name, the line number and the error. After
-that, the error consists of the actual line number in the Smarty class
-that the error occurred.
-
-There are certain errors that Smarty cannot catch, such as missing close
-tags. These types of errors usually end up in PHP compile-time parsing
-errors.
-
-
- Parse error: parse error in /path/to/smarty/templates_c/index.tpl.php on line 75
-
-
-
-When you encounter a PHP parsing error, the error line number will
-correspond to the compiled PHP script, NOT the template itself. Usually
-you can look at the template and spot the syntax error. Here are some
-common things to look for: missing close tags for
-[`{if}{/if}`](#language.function.if) or
-[`{section}{/section}`](#language.function.if), or syntax of logic
-within an `{if}` tag. If you can\'t find the error, you might have to
-open the compiled PHP file and go to the line number to figure out where
-the corresponding error is in the template.
-
-
- Warning: Smarty error: unable to read resource: "index.tpl" in...
- or
- Warning: Smarty error: unable to read resource: "site.conf" in...
-
-- The [`$template_dir`](#variable.template.dir) is incorrect, doesn\'t
- exist or the file `index.tpl` is not in the `templates/` directory
-
-- A [`{config_load}`](#language.function.config.load) function is
- within a template (or [`configLoad()`](#api.config.load) has been
- called) and either [`$config_dir`](#variable.config.dir) is
- incorrect, does not exist or `site.conf` is not in the directory.
-
-<!-- -->
-
-
- Fatal error: Smarty error: the $compile_dir 'templates_c' does not exist,
- or is not a directory...
-
-
-
-- Either the [`$compile_dir`](#variable.compile.dir)is incorrectly
- set, the directory does not exist, or `templates_c` is a file and
- not a directory.
-
-<!-- -->
-
-
- Fatal error: Smarty error: unable to write to $compile_dir '....
-
-
-
-- The [`$compile_dir`](#variable.compile.dir) is not writable by the
- web server. See the bottom of the [installing
- smarty](#installing.smarty.basic) page for more about permissions.
-
-<!-- -->
-
-
- Fatal error: Smarty error: the $cache_dir 'cache' does not exist,
- or is not a directory. in /..
-
-
-
-- This means that [`$caching`](#variable.caching) is enabled and
- either; the [`$cache_dir`](#variable.cache.dir) is incorrectly set,
- the directory does not exist, or `cache/` is a file and not a
- directory.
-
-<!-- -->
-
-
- Fatal error: Smarty error: unable to write to $cache_dir '/...
-
-
-
-- This means that [`$caching`](#variable.caching) is enabled and the
- [`$cache_dir`](#variable.cache.dir) is not writable by the web
- server. See the bottom of the [installing
- smarty](#installing.smarty.basic) page for permissions.
-
-<!-- -->
-
-
- Warning: filemtime(): stat failed for /path/to/smarty/cache/3ab50a623e65185c49bf17c63c90cc56070ea85c.one.tpl.php
- in /path/to/smarty/libs/sysplugins/smarty_resource.php
-
-
-
-- This means that your application registered a custom error hander
- (using [set\_error\_handler()](&url.php-manual;set_error_handler))
- which is not respecting the given `$errno` as it should. If, for
- whatever reason, this is the desired behaviour of your custom error
- handler, please call
- [`muteExpectedErrors()`](#api.mute.expected.errors) after you\'ve
- registered your custom error handler.
-
-See also [debugging](#chapter.debugging.console).