Online PHP editor | refs for YlsFP

<?php $html = '<meta name="generator" content="WordPress 4.8.2">'; $dom = new DOMDocument; $dom->loadHTML($html); $heads = $dom->getElementsByTagName('meta'); foreach ($heads as $head) { if($head->getAttribute('name') == 'generator' && preg_match('/wordpress (?<version>(?:\d+\.?)+)/i', $head->getAttribute('content'), $version)) { die($version['version']); } }