3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(['foo' => function ($arg) { var_dump($arg); }]['foo']);
Output for 5.5.0 - 5.6.28, 7.0.0 - 7.1.0
object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$arg"]=> string(10) "<required>" } }
Output for hhvm-3.12.0
object(Closure$;779892759$6d405cc751bd864a7c60674fc1fabda$)#1 (1) { ["parameter"]=> array(1) { ["$arg"]=> string(10) "<required>" } }
Output for hhvm-3.10.0
object(Closure$;779892759$5e79f8b28c184f6248dbdd7f469ed867$)#1 (1) { ["parameter"]=> array(1) { ["$arg"]=> string(10) "<required>" } }
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '[' in /in/GalTQ on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/GalTQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/GalTQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/GalTQ on line 3
Process exited with code 255.