upload neh

<?php
class Upload extends CI_Controller {

    function __construct()
    {
        parent::__construct();
        $this->load->helper(array('form', 'url'));




    }

    function index()
    {
        $this->load->view('upload_form', array('error' => ' ' ));
    }


public function do_upload()
{
$this->load->database();
    $config['upload_path'] = './uploads/';
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = '100';
        $config['max_width']  = '1024';
        $config['max_height']  = '768';


         $this->load->library('upload', $config);

     if ($this->upload->do_upload('userfile') == TRUE)
     {
         $data = $this->upload->data();
         $nama_file = $data['file_name'];
         $array = array('title' => 'Title', 'gambar' => $nama_file);
     $this->db->insert('tes', $array);
     }
     else
     {
         $error = array('error' => $this->upload->display_errors());

            $this->load->view('upload_form', $error);
     }
}




}
?>