- var_dump: documentation ( source)
<?php
//var_dump(parse_url("http://www.realself.com/foo/bar?utm_source=wubba&utm_content=bubba#myhash"));
$null = null;
//print_r(is_null(parse_url("http://example.com", PHP_URL_QUERY)));
var_dump(is_null(FALSE));
?>