"; $dom = new DOMDocument('1.0', 'UTF-8'); $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); $metas = $xpath->query('//meta[@property="al:ios:url"]'); $id = ""; if (preg_match('~[?&]id=(\d+)~', $metas->item(0)->getAttribute('content'), $match)) { $id = $match[1]; } echo $id;