using dom to extract and replace images in HTML

<?php

/*DOING DOM WITH PHP*/

$domd = new DOMDocument();
libxml_use_internal_errors(true);
$domd->loadHTML(file_get_contents("http://stackoverflow.com"));
libxml_use_internal_errors(false);

$items = $domd->getElementsByTagName("img");
$data = array();

foreach($items as $item) {
  $data[] = array(
    "src" => $item->getAttribute("src"),
    "alt" => $item->getAttribute("alt"),
    "title" => $item->getAttribute("title"),
  );
}

print_r($data);

Ref: http://stackoverflow.com/questions/5474029/using-preg-replace-callback-t...