<?php

/**

 * Smarty shared plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * escape_special_chars common function

 *

 * Function: smarty_function_escape_special_chars<br>

 * Purpose:  used by other smarty functions to escape

 *           special chars except for already escaped ones

 * @author   Monte Ohrt <monte at ohrt dot com>

 * @param string

 * @return string

 */

function smarty_function_escape_special_chars($string)

{

    if(!is_array($string)) {

        $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);

        $string = htmlspecialchars($string);

        $string = str_replace(array('%%%SMARTY_START%%%','%%%SMARTY_END%%%'), array('&',';'), $string);

    }

    return $string;

}

/* vim: set expandtab: */

?>