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<?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 git.master, git.master_jit, rfc.property-hooks
<p><a href="https://www.youtube.com/embed/sNEJOm4hSaw?feature=oembed">Link to youtube</a></p>

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