Online PHP editor | refs for subbr

<?php $html = <<<HTML <div> <img src="image/abc.png" alt="test" width="50" height="50"> <img src="http://example.com/image/abc.png" alt="test" width="50" height="50"> <img src="/image/abc.png" alt="test" width="50" height="50"> <iframe src="image/abc.png" alt="test" width="50" height="50"></iframe> </div> HTML; $base = "http://example.com/"; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); foreach ($xpath->query("//img[not(starts-with(@src, '$base'))]") as $node) { $node->setAttribute('src', $base . ltrim($node->getAttribute('src'), '/')); } echo $dom->saveHTML();