- var_dump: documentation ( source)
<?php
$foo = "<a href='http://demowww.wavebid.com/content/openPdfFile.html?id=7828114'>
<img src=\"http://www.wavebid.com/images/icons/pdf-128x128.jpg\" style=\"height: 25px\"/>IPv4_Multicast.pdf</a>
<br />
<a href='http://demowww.wavebid.com/content/openPdfFile.html?id=7828115'>
<img src=\"http://www.wavebid.com/images/icons/pdf-128x128.jpg\" style=\"height: 25px\"/>IPv6.pdf</a><br />";
$dom = new DOMDocument;
$dom->loadHTML($foo);
$links = $dom->getElementsByTagName('a');
var_dump($$links);