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<?php
/**
* Smarty shared plugin
*
* @package Smarty
* @subpackage PluginsShared
*/
/**
* 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;
}
?>
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