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File: web-app/lib/SMARTY/plugins/outputfilter.trimwhitespace.php

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File: web-app/lib/SMARTY/plugins/outputfilter.trimwhitespace.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: smart MVC
MVC framework using Smarty to render views
Author: By
Last change:
Date: 10 years ago
Size: 2,669 bytes


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 * Smarty plugin
 * @package Smarty
 * @subpackage plugins

 * 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>$smarty->load_filter('output','trimwhitespace');</code>
 * from application.
 * @author Monte Ohrt <monte at ohrt dot com>
 * @author Contributions from Lars Noschinski <>
 * @version 1.3
 * @param string
 * @param Smarty
function smarty_outputfilter_trimwhitespace($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);


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);



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