3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface IRole { } interface Foo { public function bar(IRole $role = null); } class Bat implements Foo { public function bar($role = null) { echo "test"; } }
Output for 7.2.0 - 7.2.33, 7.3.0 - 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
Output for 7.1.0 - 7.1.25
Fatal error: Declaration of Bat::bar($role = NULL) must be compatible with Foo::bar(?IRole $role = NULL) in /in/U3WZ2 on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Fatal error: Declaration of Bat::bar($role = NULL) must be compatible with Foo::bar(IRole $role = NULL) in /in/U3WZ2 on line 11
Process exited with code 255.
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Declaration of Bat::bar() must be compatible with Foo::bar(IRole $role = NULL) in /in/U3WZ2 on line 11
Process exited with code 255.
preferences:
216.19 ms | 402 KiB | 242 Q