3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Email { public function subject(string|\Stringable $bar) {} } class CustomEmail extends Email { public function subject(string $bar) {} }
Output for git.master_jit, git.master
Fatal error: Declaration of CustomEmail::subject(string $bar) must be compatible with Email::subject(Stringable|string $bar) in /in/uuJj9 on line 11 Stack trace: #0 {main}
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:
147.36 ms | 1008 KiB | 7 Q