3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function g($al = null, $go = null) { $goal = function($al = null, $go = null) use (&$goal) { if (!isset($go)) $go = 'go'; else $go .= 'o'; if (!isset($al)) return function ($al) use (&$go) { return $goal($al, $go); }; return $go.$al; }; return $goal($al, $go); } echo $goal()('al');
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: goal in /in/Y6bgu on line 15 Fatal error: Uncaught Error: Function name must be a string in /in/Y6bgu:15 Stack trace: #0 {main} thrown in /in/Y6bgu on line 15
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/Y6bgu on line 15
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/Y6bgu on line 5
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/Y6bgu on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Y6bgu on line 5
Process exited with code 255.