3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = ['asdasd' => 4231, 'wqewqe' => 1283]; $b = ['wqewqe' => 123, 'asdasd' => 4231]; var_dump(array_diff($a, $b));
based on UFbZH
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.1.0 - 7.3.0beta1
array(1) { ["wqewqe"]=> int(1283) }