3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $callback = function () use ($x, $y): Foo { };
Output for 7.0.0 - 7.2.0
Notice: Undefined variable: x in /in/Rcc0g on line 3 Notice: Undefined variable: y in /in/Rcc0g on line 3
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/Rcc0g on line 3
Process exited with code 255.