3v4l.org

run code in 300+ PHP versions simultaneously
<?php $new = new class { public mixed $mixed; }; var_dump($new); var_dump(isset($new->mixed)); var_dump($new->mixed); # kaboom
Output for git.master, git.master_jit, rfc.property-hooks
object(class@anonymous)#1 (0) { ["mixed"]=> uninitialized(mixed) } bool(false) Fatal error: Uncaught Error: Typed property class@anonymous::$mixed must not be accessed before initialization in /in/35A87:9 Stack trace: #0 {main} thrown in /in/35A87 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:
50.75 ms | 405 KiB | 5 Q