3v4l.org

run code in 300+ PHP versions simultaneously
<?php $required = ['k1', 'k2']; $data = [ 'k1' => 'v1', 'k2' => 'v2', 'k3' => 'v3', ]; $r = ($required == array_intersect($required, array_keys($data))); var_dump($r);

preferences:
36.78 ms | 402 KiB | 5 Q