Online PHP editor | output for 5TuYQ

<?php $content = <<<CONTENT <span class="ipsHide" data-role="downloadCounterContainer">Download begins in <span data-role="downloadCounter"></span> seconds</span> <a href='https://example.com/forum/files/file/2-content/?do=download&r=24050&confirm=1&t=1&csrfKey=72c4d0ffcabb34c6d6c490cbacbc354ag1536355261' class='ipsButton ipsButton_primary ipsButton_small' data-action="download" >Download</a> CONTENT; $doc = new DOMDocument(); $doc->loadHTML($content); $xpath = new DomXPath($doc); $results = $xpath->query("//a[contains(@class, 'ipsButton') and contains(@class, 'ipsButton_primary') and contains(@class, 'ipsButton_small')]"); foreach ($results as $result) { $url = parse_url($result->getAttribute("href"), PHP_URL_QUERY); parse_str($url, $params); echo $params['csrfKey']; }