- var_dump: documentation ( source)
- array_merge: documentation ( source)
- parse_url: documentation ( source)
- http_build_query: documentation ( source)
<?php
var_dump($_SERVER);
$url = 'http://mysite.com/hello/world?look_at=me&test=1';
$query = parse_url($url, PHP_URL_QUERY);
var_dump($query);
var_dump(http_build_query(array_merge($query)));