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<?php interface BarInterface { } interface FooInterface { public function getBar(): BarInterface; } class Foo implements FooInterface { public function getBar() { return null; } } $foo = new Foo(); $foo->getBar();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Foo::getBar() must be compatible with FooInterface::getBar(): BarInterface in /in/blFHr on line 10
Process exited with code 255.

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