Online PHP editor | output for IIBG1

<?php $html = <<<HTML <body> <img class="size-full aligncenter" src="image-name1.jpg" alt="" width="799" height="449"> <img class="size-full aligncenter" src="image-name2.jpg" alt="" width="799" height="449"> <img class="size-full aligncenter" src="image-name3.jpg" alt="" width="799" height="449"> </body> HTML; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); foreach ($xpath->query('//img[@alt=""]') as $img) { $img->setAttribute( 'alt', pathinfo( $img->getAttribute('src'), PATHINFO_FILENAME ) ); } echo $dom->saveHTML();