3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = $criteria['url'] ?? null; $parsed = parse_url($url);
Output for 7.0.0 - 7.3.0rc3
Output for hhvm-3.15.4
Warning: parse_url() expects parameter 1 to be string, null given in /in/4O1rg on line 4
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '?' in /in/4O1rg on line 3
Process exited with code 255.