- var_dump: documentation ( source)
- preg_match: 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 />";
preg_match("im#<a href='(.*)'>|/>(.*?)<#", $foo, $m);
var_dump($m);