3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [1, 3, 6, 4, 1, 2]; $b = range(1, 10); var_dump(array_diff($b, $a));
based on 3eSsg
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
array(5) { [4]=> int(5) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(10) }