kuis online

tolong donk rekan--rekan CI skalian....aq sangat butuh bantuan kalian....coz TA-ku mentok ne gara2 ini....please help me....hiksz

ini aq sertakan code-nya:

//controller
<?
class Quiz extends Controller
{
function Quiz()
{
parent::Controller();
$this->load->library('calendar');
$this->load->model('mquiz');
}

function index()
{
$data['hasil'] = $this->mquiz->getSoal();
$this->load->vars($data);
$this->load->view('quiz');
}

function proses()
{
$query="select * from soal order by id_soal";
$hasil=$this->db->query($query);
$jumlah=$hasil->num_rows();
for ($i=1;$i<=$jumlah;$i++)
{ $jawaban[$i]=$this->input->post($i);
if($jawaban[$i]=='a' || $jawaban[$i]=='b' || $jawaban[$i]=='c' || $jawaban[$i]=='d' || $jawaban[$i]=='e')
{ $data['hasil'][$i]=$jawaban[$i]; }
else
{ $data['hasil'][$i]="x"; }
}
$this->load->view('hasil_quiz',$data);
}

}

//model

<?
class Mquiz extends Model
{
function Mquiz()
{
parent::Model();
}

function getSoal()
{

$this->db->order_by('id_soal','asc');
$query = $this->db->get('soal');
return $query;
}
}

?>