- var_dump: documentation ( source)
- urldecode: documentation ( source)
- urlencode: documentation ( source)
- strip_tags: documentation ( source)
<?php
$string = 'qwl=foobard47ae"style%3d"behavior%3aurl(%23default
%23time2)"onbegin%3d"alert(1)"79064c5e2bb&bar=foo';
$urlencoded = urlencode($string);
$urldecoded = urldecode($string);
var_dump($urlencoded);
var_dump($urldecoded);
var_dump(strip_tags($string));
var_dump(strip_tags($urlencoded));
var_dump(strip_tags($urldecoded));