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run code in 300+ PHP versions simultaneously
<?php interface Bar {} interface Baz extends Bar {}; interface Foo { public function art(Bar $bar); } interface Fooz extends Foo { public function art(Baz $bar); } class A implements Fooz { public function art(Baz $bar) { var_dump($bar); } }
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, 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: Declaration of Fooz::art(Baz $bar) must be compatible with Foo::art(Bar $bar) in /in/jSWX9 on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Declaration of Fooz::art() must be compatible with Foo::art(Bar $bar) in /in/jSWX9 on line 7
Process exited with code 255.
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