PHP: get image src attribute (dom)

img_src_dom.php

<?php

$doc = new DOMDocument();
$doc->loadHTML($html);

$xml = simplexml_import_dom($doc);

$images = $xml->xpath('//img');

foreach ($images as $img) {
 echo " Image Source : " . $img['src'] . "";
 echo " Image Alt : " . $img['alt'] . "";
 echo " Image Title : " . $img['title'] . "";
 echo " Image Width : " . $img['data-src-width']. "";
}