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<?php class Test { public function a() { return $this; } public function b() { return [42 => 42]; } public function c() { return function () { return $this; }; } } var_dump((new Test)->a()->a()); var_dump((new Test)->b()[42]); var_dump((new Test)->c()());
Output for git.master, git.master_jit, rfc.property-hooks
object(Test)#1 (0) { } int(42) object(Test)#1 (0) { }

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