3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = [1,2,3]; array_walk($a , function($arr, $key) { echo $arr[$key]; });
Output for 5.4.0 - 5.6.25, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0RC5
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/LX8jg 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 '[' in /in/LX8jg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LX8jg on line 3
Process exited with code 255.