Online PHP editor | output for F9D31

<?php $html = <<< STR <div class="container"> <h1>The Page Title</h1> <img src="MyImage.JPG" class="graphic" /> <p>Some body copy...</p> <img class="graphic" src="misc/SecondImage.JPG" /> </div> STR; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); // Get all images $images = $dom->getElementsByTagName('img'); foreach ($images as $img) { $newSrc = preg_replace_callback('~[^/]+$~', function($match) { // Change file names to lowercase return strtolower($match[0]); }, $img->getAttribute('src')); // Set new attribute value $img->setAttribute('src', $newSrc); } echo $dom->saveHTML();