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<?php interface MyInterface { function bar(); } class Foo implements MyInterface { function bar(stdClass $arg) { var_dump($arg); } } $foo = new Foo; $foo->bar(new DateTime());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Foo::bar(stdClass $arg) must be compatible with MyInterface::bar() in /in/iEi9P on line 8
Process exited with code 255.

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