3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array= array(1,2,3,3,4,5); print_r(array_unique($array));
based on 9Yfn1
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 [4] => 4 [5] => 5 )