3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} class Bar extends Foo {} class FooCreator { public function create(FooAlias $foo) { } } class_alias('Foo', 'FooAlias'); $foo = new Bar; $creator = new FooCreator(); $creator->create($foo); hint_for_alias($foo);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function hint_for_alias() in /in/poTKh:22 Stack trace: #0 {main} thrown in /in/poTKh on line 22
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined function hint_for_alias() in /in/poTKh on line 22
Process exited with code 255.
preferences:
156.16 ms | 402 KiB | 183 Q