3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array('a'=>'scope1', 'b'=> 'scope2'); $array2 = array('c'=>'scope2', 'a'=> 'scope1'); var_dump(array_diff($array1, $array2));

preferences:
37.8 ms | 402 KiB | 5 Q