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<?php interface MyInterface { function bar(stdClass $arg); } class Foo implements MyInterface { function bar(stdClass $arg) { var_dump($arg); } } $foo = new Foo; $foo->bar(new DateTime());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Foo::bar(): Argument #1 ($arg) must be of type stdClass, DateTime given, called in /in/2ltE6 on line 14 and defined in /in/2ltE6:8 Stack trace: #0 /in/2ltE6(14): Foo->bar(Object(DateTime)) #1 {main} thrown in /in/2ltE6 on line 8
Process exited with code 255.

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