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<?php class A1 { private function bla() { echo "a"; } public function doA() { $this->bla(); } } class B1 extends A1 { public function bla($bla) { echo "b"; } public function doB() { $this->bla("a"); } } $nonFinal = new B1(); $nonFinal->doA(); // outputs "b" $nonFinal->doB(); // outputs "b"
Output for 5.6.28, 7.0.14 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ab
Output for 7.0.0 - 7.0.6
Warning: Declaration of B1::bla($bla) should be compatible with A1::bla() in /in/MolMR on line 27 ab
Output for 5.4.20 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21
Strict Standards: Declaration of B1::bla() should be compatible with A1::bla() in /in/MolMR on line 27 ab
Output for 5.4.4 - 5.4.19
Strict Standards: Declaration of B1::bla() should be compatible with A1::bla() in /in/FZjvZ on line 27 ab
Output for 5.4.0 - 5.4.3

Process exited with code 139.
Output for 5.3.28 - 5.3.29
Strict Standards: Declaration of B1::bla() should be compatible with that of A1::bla() in /in/MolMR on line 27 ab
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.27
Strict Standards: Declaration of B1::bla() should be compatible with that of A1::bla() in /in/FZjvZ on line 27 ab
Output for 5.1.0
Strict Standards: Declaration of B1::bla() should be compatible with that of A1::bla() in /in/FZjvZ on line 27 Fatal error: fatal flex scanner internal error--end of buffer missed in /in/FZjvZ on line 32
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FZjvZ on line 5
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/FZjvZ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/FZjvZ on line 5
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/MolMR on line 5
Process exited with code 255.
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