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<?php abstract class myBaseClass { abstract protected function doSomething(); public function rerere() { return "..."; } } class myClass extends myBaseClass { public function doSomething() { $parent->rerere(); } } $implementor = new myClass(); $implementor->doSomething();
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
Warning: Undefined variable $parent in /in/3aRgZ on line 17 Fatal error: Uncaught Error: Call to a member function rerere() on null in /in/3aRgZ:17 Stack trace: #0 /in/3aRgZ(24): myClass->doSomething() #1 {main} thrown in /in/3aRgZ on line 17
Process exited with code 255.
Output for 7.0.5 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: parent in /in/3aRgZ on line 17 Fatal error: Uncaught Error: Call to a member function rerere() on null in /in/3aRgZ:17 Stack trace: #0 /in/3aRgZ(24): myClass->doSomething() #1 {main} thrown in /in/3aRgZ on line 17
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to a member function rerere() on null in /in/3aRgZ:17 Stack trace: #0 /in/3aRgZ(24): myClass->doSomething() #1 {main} thrown in /in/3aRgZ on line 17
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Undefined variable: parent in /in/3aRgZ on line 17 Fatal error: Uncaught Error: Call to a member function rerere() on unknown in /in/3aRgZ:17 Stack trace: #0 /in/3aRgZ(24): myClass->doSomething() #1 {main} thrown in /in/3aRgZ on line 17
Process exited with code 255.
Output for 5.6.7 - 5.6.28
Notice: Undefined variable: parent in /in/3aRgZ on line 17 Fatal error: Call to a member function rerere() on null in /in/3aRgZ on line 17
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Notice: Undefined variable: parent in /in/3aRgZ on line 17 Fatal error: Call to a member function rerere() on a non-object in /in/3aRgZ on line 17
Process exited with code 255.

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