function sxe($url)    {           $xml = file_get_contents($url);        foreach ($http_response_header as $header)        {               if (preg_match('#^Content-Type: text/xml; charset=(.*)#i', $header, $m))            {                   switch (strtolower($m[1]))                {                       case 'utf-8':                        // do nothing                        break;                    case 'iso-8859-1':                        $xml = utf8_encode($xml);                        break;                    default:                        $xml = iconv($m[1], 'utf-8', $xml);                }                break;            }        }        return simplexml_load_string($xml);    }