3v4l.org

run code in 300+ PHP versions simultaneously
<?php class E{function r($e, $l){$this->e[$e][] = $l;} function d($e){foreach ($this->e[$e] as $l){$l->o();}}} class Listener { function o() { echo 'hello'; } } $listener = new Listener(); $eventDispatcher = new E(); $eventDispatcher->r('event1', $listener); $eventDispatcher->r('event1', $listener); $eventDispatcher->r('event2', $listener); $eventDispatcher->d('event1');
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property E::$e is deprecated in /in/ma9hZ on line 2 hellohello

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:
44.29 ms | 401 KiB | 8 Q