3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $recursiveClosure = function($arg) use(&$recursiveClosure) { if (is_array($arg)) { array_walk($arg, $recursiveClosure); }else{ print_r($arg); } }; $recursiveClosure([1,2,3,4,5]);
based on ZvFEV
Output for 5.4.0 - 7.2.0
12345
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/8N0af on line 9
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/8N0af on line 2
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/8N0af on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/8N0af on line 2
Process exited with code 255.