DOWNLOAD FILE USING CI

CONTROLLER
class Download extends CI_Controller {

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

    public function index(){
           $this->load->model('files_model');
          $data['pdfs'] = $this->files_model->get_pdf_files();
          $this->load->view('download/dynamic',$data);

        }

    public function download_file($name){

        $this->load->helper('download'); //load helper
        $path = file_get_contents('/uploads/docs/'.$name); // Read the file's contents

        force_download($name, $path);

        }

}
VIEW
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Download Document</title>
</head>

<body>
  <ul>
  <?php
  //var_dump($pdfs);
//echo $pdfs[0]->file_name;
   foreach($pdfs as $row):
 ?>
 <?php
 echo "<li style=\"padding-bottom:10px;\"><a href='/download/download_file/".$row->file_name."'>Download</a></li>";?>
<?php endforeach;?>
 </ul>
</body>
</html>