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@ 2016-11-28T22:28:05Z

<?php

$arr1 = [22068, 22067];
$arr2 = [22068, 22066];
$arr = array_diff($arr1, $arr2);

var_dump($arr);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_diff: documentation ( source)

preferences:dark modelive preview

52.03 ms | 402 KiB | 5 Q