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<?php class A1{} class A2 extends A1{} class C1{ function test() : A1{ return new A1; } } class C2 extends C1{ function test() : A2{ return new A2; } } $x = new C1; var_dump($x->test()); $x = new C2; var_dump($x->test());
Output for rfc.property-hooks, git.master, git.master_jit
object(A1)#2 (0) { } object(A2)#1 (0) { }

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