сессии в PHP5

<?

class utlSiteUsers
{
    public $id;     // int
    public $login;  // char
    public $type;   // char
    public $status; // bool
    public $acces;  // char

    function __construct($type)
    {
        $this->type = $type;
    }

    public function login($id, $login, $acces)
    {
        $this->id = $id;
        $this->login = $login;
        $this->acces = $acces;
        $this->status = true;

        $this->save();
    }
   
    public function logout()
    {
        unset($_SESSION[$this->type]);
        $this->status = false;
    }

    public function isLogined()
    {
        return $this->status;
    }

    public function getAcces()
    {
        return $this->acces;
    }

    public function load()
    {
        $this->id = $_SESSION[$this->type]['id'];
        $this->login = $_SESSION[$this->type]['login'];
        $this->acces = $_SESSION[$this->type]['acces'];
        $this->status = $_SESSION[$this->type]['status'];
    }

    public function save()
    {
        $_SESSION[$this->type]['id'] = $this->id;
        $_SESSION[$this->type]['login'] = $this->login;
        $_SESSION[$this->type]['acces'] = $this->acces;
        $_SESSION[$this->type]['status'] = $this->status;
    }
}
?>

if ($request->action=="Login")
{
    $absAdmin = new absAdministrators();
    if ($row = $absAdmin->login($request->login, $request->password))
    {
        $admin->login($row['id'], $row['login'], $row['type']); //login($id, $login, $acces)
        Header ("Location: /admin/index.php");
    }        
}

$admin = new utlSiteUsers("admin");
$admin->load();

Array
(
    [admin] =>Array
        (
            [id] => 1
            [login] => login
            [type] => admin
            [status] => true
            [acces] => admin
        )

)

Array
(
    [admin] => __PHP_Incomplete_Class Object
        (
            [__PHP_Incomplete_Class_Name] => utlSiteUsers
            [id] =>
            [login] =>
            [type] => admin
            [status] =>
            [acces] =>
        )

)