Description:
------------
Sory. I very bad speek english. ???????? ????????????? ????????? __CLASS__.

Reproduce code:
---------------
class Test1 {
    public function __construct() { }
    public function foo()
    {
        echo __CLASS__ . '<br />';
    }
}
class Test2 extends Test1 {
    public function __construct() { }
}
$obj1 = new Test1();
$obj2 = new Test2();
$obj1->foo();
$obj2->foo();


Expected result:
----------------
Test1<br />
Test1<br />

Actual result:
--------------
I think, that result must be:
Test1<br />
Test2<br />

????? Test2() ????????? ?????? ?????? Test1() ? ????? foo() ??? ?????? ?? ??????? obj2 ?????? ???? ?????? ??? ????? ?????? Test2() IMHO