3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [1,2,3,4,5]; array_walk($a, function($num) { $b = $num % 10; });
Output for 5.4.0 - 7.2.0
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/At3PV on line 3
Process exited with code 255.