1 <?php

     2 /**

     3  * Smarty shared plugin

     4  * @package Smarty

     5  * @subpackage plugins

     6  */

     7 

     8 

     9 /**

    10  * escape_special_chars common function

    11  *

    12  * Function: smarty_function_escape_special_chars<br>

    13  * Purpose:  used by other smarty functions to escape

    14  *           special chars except for already escaped ones

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

    16  * @param string

    17  * @return string

    18  */

    19 function smarty_function_escape_special_chars($string)

    20 {

    21     if(!is_array($string)) {

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

    23         $string = htmlspecialchars($string);

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

    25     }

    26     return $string;

    27 }

    28 

    29 /* vim: set expandtab: */

    30 

    31 ?>