3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array( 'x'=>'111', 'y'=>'22', ); $b=array( 'x'=>'333' ); var_dump($a+$b, $b+$a, array_merge($a,$b),array_merge($b,$a));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["x"]=> string(3) "111" ["y"]=> string(2) "22" } array(2) { ["x"]=> string(3) "333" ["y"]=> string(2) "22" } array(2) { ["x"]=> string(3) "333" ["y"]=> string(2) "22" } array(2) { ["x"]=> string(3) "111" ["y"]=> string(2) "22" }

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:
55.57 ms | 401 KiB | 8 Q