3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $prop; } class B extends A{ public int|string $prop = 1; } var_dump((new B())->prop);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Type of B::$prop must not be defined (as in class A) in /in/s85dt on line 7
Process exited with code 255.

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:
124.32 ms | 1399 KiB | 10 Q