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<?php $html = '<div id="x"><img src="/images/xyz" alt="xyz" /><p>hello world!</p></div>'; $doc = new DomDocument(); $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DomXPath($doc); $images = $xpath->query('//img'); foreach ($images as $img) { // create a new anchor element $a = $doc->createElement('a'); // copy the img src attribute to the a href attribute $a->setAttribute('href', $img->attributes->getNamedItem('src')->nodeValue); // add the a to the parent $img->parentNode->replaceChild($a, $img); // make the image a child of the <a> element $a->appendChild($img); } echo $doc->saveHTML();
Output for git.master, git.master_jit, rfc.property-hooks
<div id="x"><a href="/images/xyz"><img src="/images/xyz" alt="xyz"></a><p>hello world!</p></div>

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