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<?php class HiddenUser { } class User { } class Foo { public function bar(User $u) {} } $foo = new Foo(); $user = new User(); $user = new HiddenUser(); $foo->bar($user);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Foo::bar(): Argument #1 ($u) must be of type User, HiddenUser given, called in /in/8HJQp on line 16 and defined in /in/8HJQp:10 Stack trace: #0 /in/8HJQp(16): Foo->bar(Object(HiddenUser)) #1 {main} thrown in /in/8HJQp on line 10
Process exited with code 255.

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