3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 'b'; $c = 'c'; $e = 'e'; $a = (object)['b' => (object)['e' => 2]]; @$d = $a->$b->$c; var_dump($d); @$d = $a->$b->$e; var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
NULL int(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:
118.48 ms | 405 KiB | 5 Q