3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function bar(); } class Baz implements Foo { public function bar($args) { var_dump('määäh'); } }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Declaration of Baz::bar($args) must be compatible with Foo::bar() in /in/001C5 on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Baz::bar($args) must be compatible with Foo::bar() in /in/001C5 on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Declaration of Baz::bar() must be compatible with Foo::bar() in /in/001C5 on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Declaration of Baz::bar() must be compatible with that of Foo::bar() in /in/001C5 on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/001C5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/001C5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/001C5 on line 3
Process exited with code 255.

preferences:
311.92 ms | 401 KiB | 455 Q