3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array([wi_fi] => 0, [test] => "abcd"); $arr2 = array([wi_fi] => 1, [test] => "abc"); var_dump(array_diff($arr1,$arr2));

preferences:
44.87 ms | 402 KiB | 5 Q