3v4l.org

run code in 300+ PHP versions simultaneously
<?php $u = 'http://ctf.ekoparty.org/?@http://0x0539.net'; print_r(parse_url($u)); ?>
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [scheme] => http [host] => ctf.ekoparty.org [path] => / [query] => @http://0x0539.net )
preferences:
195.59 ms | 404 KiB | 248 Q