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PHP Demo Application - Source Code

/Framework/Model/Vendor/Smarty/libs/plugins/outputfilter.trimwhitespace.php

<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage PluginsFilter
 *//**
 * Smarty trimwhitespace outputfilter plugin
 *
 * File:     outputfilter.trimwhitespace.php<br>
 * Type:     outputfilter<br>
 * Name:     trimwhitespace<br>
 * Date:     Jan 25, 2003<br>
 * Purpose:  trim leading white space and blank lines from
 *           template source after it gets interpreted, cleaning
 *           up code and saving bandwidth. Does not affect
 *           <<PRE>></PRE> and <SCRIPT></SCRIPT> blocks.<br>
 * Install:  Drop into the plugin directory, call
 *           <code>$smarty->load_filter('output','trimwhitespace');</code>
 *           from application.
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @author Contributions from Lars Noschinski <lars@usenet.noschinski.de>
 * @version  1.3
 * @param string $source input string
 * @param object &$smarty Smarty object
 * @return string filtered output
 */
function smarty_outputfilter_trimwhitespace($source$smarty)
{
    
// Pull out the script blocks
    
preg_match_all("!<script[^>]*?>.*?</script>!is"$source$match);
    
$_script_blocks $match[0];
    
$source preg_replace("!<script[^>]*?>.*?</script>!is",
                           
'@@@SMARTY:TRIM:SCRIPT@@@'$source);    // Pull out the pre blocks
    
preg_match_all("!<pre[^>]*?>.*?</pre>!is"$source$match);
    
$_pre_blocks $match[0];
    
$source preg_replace("!<pre[^>]*?>.*?</pre>!is",
                           
'@@@SMARTY:TRIM:PRE@@@'$source);
    
    
// Pull out the textarea blocks
    
preg_match_all("!<textarea[^>]*?>.*?</textarea>!is"$source$match);
    
$_textarea_blocks $match[0];
    
$source preg_replace("!<textarea[^>]*?>.*?</textarea>!is",
                           
'@@@SMARTY:TRIM:TEXTAREA@@@'$source);    // remove all leading spaces, tabs and carriage returns NOT
    // preceeded by a php close tag.
    
$source trim(preg_replace('/((?<!\?>)\n)[\s]+/m''\1'$source));    // replace textarea blocks
    
smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:TEXTAREA@@@",$_textarea_blocks$source);    // replace pre blocks
    
smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:PRE@@@",$_pre_blocks$source);    // replace script blocks
    
smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:SCRIPT@@@",$_script_blocks$source);    return $source;
}function 
smarty_outputfilter_trimwhitespace_replace($search_str$replace, &$subject) {
    
$_len strlen($search_str);
    
$_pos 0;
    for (
$_i=0$_count=count($replace); $_i<$_count$_i++)
        if ((
$_pos=strpos($subject$search_str$_pos))!==false)
            
$subject substr_replace($subject$replace[$_i], $_pos$_len);
        else
            break;}
?>

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