Online PHP editor | output for kLN0E

<?php class A { private static $foo = 123; protected static function bar() { echo 'scope is: ', static::class, ' value of self::$foo is: ', self::$foo, PHP_EOL; } } class B extends A { private static $foo = 456; public static function bar() { $closure = self::getStaticInvoker('A', 'bar')->bindTo(null, B::class); $closure(array()); } private static function getStaticInvoker($className, $method) { return function (array $args) use ($className, $method) { return forward_static_call_array(array($className, $method), $args); }; } } B::bar();