3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __clone() { $this->x = clone $this->x; } } $a = new A(); $a->x = new StdClass(); $b = clone $a; var_dump($a, $b);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property A::$x is deprecated in /in/CdPcR on line 6 object(A)#1 (1) { ["x"]=> object(stdClass)#2 (0) { } } object(A)#3 (1) { ["x"]=> object(stdClass)#4 (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:
47.67 ms | 401 KiB | 8 Q