3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input= array(12,43,66,21,56,43,43,78,78,100,43,43,43,21); $count_values = array(); foreach ($input as $a) { @$count_values[$a]++; } echo 'Duplicates count: '.count($count_values); print_r($count_values); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Duplicates count: 7Array ( [12] => 1 [43] => 6 [66] => 1 [21] => 2 [56] => 1 [78] => 2 [100] => 1 )

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:
40.71 ms | 401 KiB | 8 Q