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<?php class A { private $a = 'foo'; protected function a() { return $this->a; } } class B extends A { public function f() { echo $this->a; } public function f2() { echo $this->a(); } } $b = new B; $b->f(); $b->f2();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined property: B::$a in /in/MYoYf on line 7 foo
Output for 7.0.0 - 7.0.20, 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: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/MYoYf on line 2 Fatal error: Uncaught Error: Call to protected A::a() from invalid context in /in/MYoYf:10 Stack trace: #0 {main} thrown in /in/MYoYf on line 10
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to protected A::a() from invalid context in /in/MYoYf:10 Stack trace: #0 {main} thrown in /in/MYoYf on line 10
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Call to protected A::a() from invalid context in /in/MYoYf on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to protected A::a() from context '' in /in/MYoYf on line 10
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/MYoYf on line 3
Process exited with code 255.
Output for 4.3.0 - 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/MYoYf on line 3
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/MYoYf on line 3
Process exited with code 255.

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