3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $id3 = array(1,2,3,4,5); $no_diff= array(4,5,6,7); $ids = array(1,2,3,4,5,6,7); var_dump(array_merge($id3, array_diff($no_diff, $ids)));
based on ZHKfJ
Output for 4.3.0 - 7.1.0
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) }