3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numbers = [4, 3, 4, 3, 1, 2, 1]; var_export(array_keys(array_intersect(array_count_values($numbers),[1])));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 2, )

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:
34.15 ms | 405 KiB | 5 Q