Late Static Bindings

LateStaticBindingsSolution.php

<?php
class A {
    public static function who() {
        echo get_called_class();
    }

    public static function whoParent() {
        echo get_parent_class(get_called_class());
    }

    public static function test() {
        self::who();
        self::whoParent();
    }
}

class B extends A {
}

B::test();
?>