3v4l.org

run code in 300+ PHP versions simultaneously
<?php $events = [ [ 'categoryId' => 1, 'eventId' => 2, 'eventName' => 3, 'vendorName' => 4 ], [ 'categoryId' => 5, 'eventId' => 6, 'eventName' => 7, 'vendorName' => 8 ], [ 'categoryId' => 9, 'eventId' => 10, 'eventName' => 11, 'vendorName' => 12 ], ]; print_r(array_column($events, 'categoryId'));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 5 [2] => 9 )

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:
64.25 ms | 401 KiB | 8 Q