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<?php class A { public function getSomething(): self { return $this; } } class B extends A { public function getSomething(): self { return new A(); } } (new B)->getSomething();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Fatal error: Uncaught TypeError: B::getSomething(): Return value must be of type B, A returned in /in/YLDaH:12 Stack trace: #0 /in/YLDaH(16): B->getSomething() #1 {main} thrown in /in/YLDaH on line 12
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of B::getSomething() must be an instance of B, instance of A returned in /in/YLDaH:12 Stack trace: #0 /in/YLDaH(16): B->getSomething() #1 {main} thrown in /in/YLDaH on line 12
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of B::getSomething(): B must be compatible with A::getSomething(): A in /in/YLDaH on line 14
Process exited with code 255.
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