3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $callable = function(){echo 'hi';}; $callable(); function getCallable() { global $callable; return $callable; } function getCallableArray() { global $callable; return [0 => $callable]; } //getCallable()(); getCallableArray()[0];
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
hi
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/EXMfq on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/EXMfq 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 T_FUNCTION in /in/EXMfq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EXMfq on line 3
Process exited with code 255.