3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array( array( array(1), array(), ), array(1), array(), array(2), ); $c = function($a) use (&$c) { if (is_array($a)) { $a = array_map($c, $a); $a = array_filter($a); } return $a; }; var_dump($c($a));
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> array(1) { [0]=> array(1) { [0]=> int(1) } } [1]=> array(1) { [0]=> int(1) } [3]=> array(1) { [0]=> int(2) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/VlPCX on line 13
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/VlPCX on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VlPCX on line 13
Process exited with code 255.