View file smarty/plugins/modifier.strip.php

<?php
/**
* Smarty plugin
* 
* @package Smarty
* @subpackage PluginsModifier
*/

/**
* Smarty strip modifier plugin
* 
* Type:     modifier<br>
* Name:     strip<br>
* Purpose:  Replace all repeated spaces, newlines, tabs
*             with a single space or supplied replacement string.<br>
* Example:  {$var|strip} {$var|strip:"&nbsp;"}
* Date:     September 25th, 2002
* 
* @link http://smarty.php.net/manual/en/language.modifier.strip.php strip (Smarty online manual)
* @author Monte Ohrt <monte at ohrt dot com> 
* @version 1.0
* @param string $ 
* @param string $ 
* @return string 
*/
function smarty_modifier_strip($text, $replace = ' ')
{
        return preg_replace('!\s+!', $replace, $text);
} 

?>