3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(10, 20, 30); $udiff = array_udiff($items, $items, function ($a, $b) { $result = $a === $b; print("Comparing $a to $b, result is $result\n"); return $result; }); var_dump($udiff);
Output for git.master, git.master_jit, rfc.property-hooks
Comparing 10 to 20, result is Deprecated: array_udiff(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/YTUVv on line 6 Comparing 20 to 10, result is Comparing 20 to 30, result is Comparing 30 to 20, result is Comparing 10 to 20, result is Comparing 20 to 10, result is Comparing 20 to 30, result is Comparing 30 to 20, result is Comparing 10 to 10, result is 1 Comparing 10 to 20, result is Comparing 20 to 10, result is Comparing 10 to 20, result is Comparing 20 to 10, result is Comparing 20 to 30, result is Comparing 30 to 20, result is array(0) { }

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:
37.87 ms | 402 KiB | 8 Q