3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array=[[8,9,7],[7,8,9,33,21],[11,12,33,21,9,31]]; foreach($array as $sub){ foreach($sub as $v){ if(!isset($result[$v])){ $result[$v]=$v; } } } var_export(array_values($result));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 8, 1 => 9, 2 => 7, 3 => 33, 4 => 21, 5 => 11, 6 => 12, 7 => 31, )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
159.59 ms | 405 KiB | 5 Q