DATA; $previous_value = libxml_use_internal_errors(TRUE); $dom = new DOMDocument(); $dom->loadHTML($data); $xpath = new DOMXPath($dom); $meta = $xpath->query("//meta")->item(0); $regex = '~session=\K[^&]+~'; preg_match($regex, $meta->getAttribute("content"), $session); echo $session[0]; libxml_clear_errors(); libxml_use_internal_errors($previous_value); ?>