Web Development with CI: How to upload file with ci.

Before you coding with ci you have to create a direct folder to uploads store file. in ci root directory.

View :

<?php

echo form_open_multipart('items/add_new_item',array('name'=>'sentMessage','id'=>'contactForm')); ?>
    <div class="row">
        <div class="col-md-12">
            <div class="form-group" style="color: #fff;">

           </div>
        </div>
        <div class="clearfix"></div>
        <div class="col-lg-12 text-center">
            <div id="success"></div>
            <button type="submit" class="btn btn-success">Save</button>
            <button type="submit" class="btn btn-danger">Cancel</button>
        </div>
    </div>
</form>

Controller :

class items extends CI_Controller {

   public function __construct()
   {
        parent::__construct();

        $this->load->model('items_model');
   }

    public function add_new_item()
    {
        //set preferences
        $config['upload_path'] = './uploads/'; // folder name
        $config['allowed_types'] = '*';
        $config['max_size'] = '10000000';

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

        //copy file into folder
        if(!$this->upload->do_upload('image')) // input type name
        {
            $file = "";

        }else{

            $upload_data = $this->upload->data();
            $file = $upload_data['file_name'];

        }

        $data = array(
             'image' => $file
        );

        //Save to db
        $this->items_model->add_new_item($data);

        redirect('items');

    }
}

Model:

    public function add_new_item($data)
    {
       return $this->db->insert('tb_items', $data);
    }