3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_key_match($target, $match) { $targetKeys = array_keys($target); $diff = array_diff($target, $match); return ($diff == array_diff($diff, $match)); } print_r(array_diff([1, 2, 3, 4], [1, 4]));

preferences:
56.38 ms | 402 KiB | 5 Q