3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { function bar($a, $b): void; } class Baz implements Foo { function bar($c, $d): void { var_dump([$c, $d]); } } call_user_func_array([(new Baz), 'bar'], ['a' => 123, 'b' => 456]);

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
Fatal error: Uncaught Error: Unknown named parameter $a in /in/gdPn7:13 Stack trace: #0 {main} thrown in /in/gdPn7 on line 13
Process exited with code 255.
Output for branch master_jit
Fatal error: Uncaught Error: Unknown named parameter $a in /in/gdPn7:13 Stack trace: #0 {main} thrown in /in/gdPn7 on line 13
Process exited with code 255.
Output for branch enumerations
Fatal error: Uncaught Error: Unknown named parameter $a in /in/gdPn7:13 Stack trace: #0 {main} thrown in /in/gdPn7 on line 13
Process exited with code 255.

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