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<?php class A { private static $foo = 123; protected static function bar() { echo static::class, ' value of foo is: ', self::$foo, PHP_EOL; } } class B extends A { public static function bar() { $closure = (new ReflectionMethod('A', 'bar'))->getClosure(null)->bindTo(null, B::class); $closure(); } } B::bar();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Cannot rebind scope of closure created from method in /in/k4A2d on line 12 Fatal error: Uncaught Error: Value of type null is not callable in /in/k4A2d:13 Stack trace: #0 /in/k4A2d(17): B::bar() #1 {main} thrown in /in/k4A2d on line 13
Process exited with code 255.
Output for 7.4.14 - 7.4.33
Warning: Cannot rebind scope of closure created from method in /in/k4A2d on line 12 Fatal error: Uncaught Error: Function name must be a string in /in/k4A2d:13 Stack trace: #0 /in/k4A2d(17): B::bar() #1 {main} thrown in /in/k4A2d on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.13
Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/k4A2d on line 12 Fatal error: Uncaught Error: Function name must be a string in /in/k4A2d:13 Stack trace: #0 /in/k4A2d(17): B::bar() #1 {main} thrown in /in/k4A2d on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
B value of foo is: Fatal error: Cannot access property B::$foo in /in/k4A2d on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/k4A2d on line 6
Process exited with code 255.
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