3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ['a' => '1','b' => 2]; $arr2 = ['h' => 'c','j' => '3']; $result = []; while ($arr1 && $arr2) { $result += array_splice($arr1, 0, 1) + array_splice($arr2, 0, 1); } $result += $arr1 + $arr2; var_export($result);

preferences:
101.6 ms | 405 KiB | 5 Q