gistfile1.txt

<?php

class A {
    protected function nonstatic() {
        echo "nonstaticA\n";
        var_dump($this);
    }
}

class B extends A {}

class C extends B {
    function __construct() {
        var_dump($this);
        A::nonstatic();
        var_dump($this);
    }
}

$c = new C();