3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace websharks\test; $app = $GLOBALS[__NAMESPACE__] ?? null;
Output for 7.0.0 - 7.2.0
Output for 5.3.18 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/1qs18 on line 4
Process exited with code 255.