3v4l.org

run code in 300+ PHP versions simultaneously
<?php $def = array('a'=>1, 'b'=>2); $arr_lang = array('a'=>3, 'c'=>4); $arr_lang = $def + $arr_lang; print_r($arr_lang);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [a] => 1 [b] => 2 [c] => 4 )

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:
39.18 ms | 401 KiB | 8 Q