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<?php class NotFinal { protected function hello($string = '' ) { echo 'hello'; } } final class ThisIsFinal extends NotFinal { public function hello(array $witharg) { return parent::hello(); } } $class = new ThisIsFinal(); $class->hello([]);
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: Declaration of ThisIsFinal::hello(array $witharg) must be compatible with NotFinal::hello($string = '') in /in/Hb9Om on line 10
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of ThisIsFinal::hello(array $witharg) should be compatible with NotFinal::hello($string = '') in /in/Hb9Om on line 10 hello
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of ThisIsFinal::hello(array $witharg) should be compatible with NotFinal::hello($string = '') in /in/Hb9Om on line 13 hello
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Declaration of ThisIsFinal::hello() should be compatible with NotFinal::hello($string = '') in /in/Hb9Om on line 13 hello

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