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<?php class faz {} class baz extends faz {} interface foo { public function doit(faz $param); } class boo implements foo { public function doit(baz $param) { echo false; } } $test = new boo(); $test->doit(new baz());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of boo::doit(baz $param) must be compatible with foo::doit(faz $param) in /in/3UCkY on line 12
Process exited with code 255.

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