3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { public function test($foo): string { } } class Bar extends Foo { public function test($foo) { } }
Output for git.master_jit, git.master
Fatal error: Declaration of Bar::test($foo) must be compatible with Foo::test($foo): string in /in/KLvG9 on line 13 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:
38 ms | 658 KiB | 3 Q