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<?php class A { public function test() { var_dump($this); } } // Note: Does NOT extend A class B { public function callNonStaticMethodOfA() { A::test(); } } (new B)->callNonStaticMethodOfA();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method A::test() cannot be called statically in /in/KDrQD:8 Stack trace: #0 /in/KDrQD(11): B->callNonStaticMethodOfA() #1 {main} thrown in /in/KDrQD on line 8
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Non-static method A::test() should not be called statically in /in/KDrQD on line 8 Fatal error: Uncaught Error: Using $this when not in object context in /in/KDrQD:3 Stack trace: #0 /in/KDrQD(8): A::test() #1 /in/KDrQD(11): B->callNonStaticMethodOfA() #2 {main} thrown in /in/KDrQD on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Using $this when not in object context in /in/KDrQD:3 Stack trace: #0 /in/KDrQD(8): A::test() #1 /in/KDrQD(11): B->callNonStaticMethodOfA() #2 {main} thrown in /in/KDrQD on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Deprecated: Non-static method A::test() should not be called statically in /in/KDrQD on line 8 Notice: Undefined variable: this in /in/KDrQD on line 3 NULL
Output for 5.6.8 - 5.6.28
Deprecated: Non-static method A::test() should not be called statically, assuming $this from incompatible context in /in/KDrQD on line 8 object(B)#1 (0) { }
Output for 5.5.24 - 5.5.35
Strict Standards: Non-static method A::test() should not be called statically, assuming $this from incompatible context in /in/KDrQD on line 8 object(B)#1 (0) { }

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