3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = ['x' => 1, 'y' => 1]; $a = ['x' => 1, 'y' => 2]; if (count(array_diff(array_merge($a, $b), array_intersect($a, $b))) === 0) { echo 'the same'; }

preferences:
28.31 ms | 402 KiB | 5 Q