Description:
------------
get_class_vars does not return private and protected variables

Using PHP 5.0.3 with IIS under Windows XP Pro SP2

Reproduce code:
---------------
class test {
  private $a = "private";
  protected $b = "protected";
  public $c = "public";
}
print_r(get_class_vars("test"));

Expected result:
----------------
Array
(
    [a] => private
    [b] => protected
    [c] => public
)


Actual result:
--------------
Array
(
    [c] => public
)