3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /* $a = "Hello"; $b = function() { echo ",world"; }; $arr = [$a,$b]; array_walk($arr, function($v) { if ($v instanceof Closure) { call_user_func($v); } else { echo $v; } }); */ $a = 10; $a = $a++ + ++$a;
Output for 4.3.0 - 7.1.0