- parse_str: documentation ( source)
- urldecode: documentation ( source)
- print_r: documentation ( source)
- parse_url: documentation ( source)
<?php
// Everything you enter here will be executed by our servers. Try it!
$url = 'http://s.click.taobao.com/t_js?tu=http%3A%2F%2Fs.click.taobao.com%2Ft%3Fe%3DzGU34CA7K%252BPkqB07S4%252FK0CITy7klxxrJ35Nnc0vWaHl37H18cjdMO0RFhunziOFb%252FYR38ThEJAQs2K2vhBq7dgXLmU%252BSx8tU3PLk9d5Pc2Up%26ref%3D%26et%3DjFBDPciHyuvffw%253D%253D';
//$url = urldecode($url);
$uri = parse_url($url,PHP_URL_QUERY);
parse_str($uri,$args);
print_r($args['tu']);
print_r(urldecode($args['tu']));