CWikiSecurity::_decode

function _decode($str)
{
	$str = preg_replace_callback("/&#(d+)([^d])/is", array("CWikiSecurity", "_decode_cb"), $str);
	$str = preg_replace_callback("/&#x([da-f]+)([^da-f])/is", array("CWikiSecurity", "_decode_cb_hex"), $str);
	return str_replace(':', ':', $str);
}