Description:
------------
Constants declared within a class are not recognized as such when used as function parameter default values for functions within the class.


Reproduce code:
---------------
class TestConstants
{

    const CONST_1 = 1;

    function test ($param = CONST_1)
    {
        echo $param;
    }
}

$test = new TestConstants();

$test->test();


Expected result:
----------------
1

Actual result:
--------------
Notice: Use of undefined constant CONST_1 - assumed 'CONST_1' in f:\dev\Web\pervercity.com\test\testconstants.class.php on line 8
CONST_1