3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct(public readonly int $bar) {} public function __set($var, $val) { echo '__set called'; } } $foo = new Foo(42); $foo->bar = 69;
Output for git.master_jit, git.master
Fatal error: Uncaught Error: Cannot modify readonly property Foo::$bar in /in/8PioE:12 Stack trace: #0 {main} thrown in /in/8PioE on line 12
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:
57.3 ms | 405 KiB | 5 Q