- var_dump: documentation ( source)
- stristr: documentation ( source)
<?php
$s = "http://ad.zanox.com/ppc/?23012557C80290415&ULP=[[0000011028nubuck%20kaki&eurl=http%3A%2F%2Fwww.sarenza.nl%2Fbirkenstock-madrid-flor-w-s780328-p0000011028]]";
$t = stristr($s,"&eurl",true);
var_dump(stristr($s,"[[",false));
//preg_match('/\[\[(.+?)\]\]/',$s,$matches);
//var_dump($matches);
?>