3v4l.org

run code in 300+ PHP versions simultaneously
<?php final readonly class User { public string $name; } $user = new User(); $user->name = 'Jack';
Output for git.master_jit, git.master
Fatal error: Uncaught Error: Cannot modify protected(set) readonly property User::$name from global scope in /in/4Xf2R:9 Stack trace: #0 {main} thrown in /in/4Xf2R on line 9
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:
49.23 ms | 405 KiB | 5 Q