<?php
class A {
    function __call($strMethod, $arrArgs) {
        echo "$strMethod\n";
    }
}

class C {
    function __call($strMethod, $arrArgs) {
        echo "$strMethod\n";
    }
}

class B extends A {
    function test() {
        self::test1();
        parent::test2();
        static::test3();
        A::test4();
        B::test5();
        C::test6();
    }
}

$a = new A();
$a->test();

$b = new B();
$b->test();
?>