3v4l.org

run code in 500+ PHP versions simultaneously
<?php $main = '<div class="post-inner"><div class="entry"><p><strong><a href="http://example.net">link</a></strong></p></div></div>'; $doc = new DOMDocument(); $doc->loadHTML($main, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXpath($doc); $anchors = $xpath->query('//div[contains(@class, "post-inner")]//a'); foreach ($anchors as $a) { $a->setAttribute('href', 'https://shortdomain.com/api?p=' . $a->attributes->getNamedItem('href')->nodeValue); } echo $doc->saveHTML();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<div class="post-inner"><div class="entry"><p><strong><a href="https://shortdomain.com/api?p=http://example.net">link</a></strong></p></div></div>

preferences:
112.29 ms | 1974 KiB | 4 Q