3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = <<<HTML <p><iframe allowfullscreen="" class="media-element file-default" data-fid="2219" data-media-element="1" frameborder="0" height="360" src="https://www.youtube.com/embed/sNEJOm4hSaw?feature=oembed" width="640"></iframe></p> HTML; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); foreach ($dom->getElementsByTagName('iframe') as $iframe) { $a = $dom->createElement('a'); $a->setAttribute('href', $iframe->getAttribute('src')); $a->nodeValue = "Link to youtube"; $iframe->parentNode->replaceChild($a, $iframe); } echo $dom->saveHTML();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<p><a href="https://www.youtube.com/embed/sNEJOm4hSaw?feature=oembed">Link to youtube</a></p>

preferences:
191.23 ms | 403 KiB | 221 Q