php - TCPDF CodeIgniter Integration won't work -

i want integrate codeigniter download codeigniter official site , place tcpdf folder codeigniter-3.0.6\application\libraries directory. create file named pdf.php in same directory , put these code.

require_once dirname(__file__) . '/tcpdf/tcpdf.php';  class pdf extends tcpdf {     function __construct()     {         parent::__construct();     } } 

after create file named c_test.php , place controller folder these code.

class pdfexample extends ci_controller {     function __construct() {            parent::__construct();       }      function index()  {          $this->load->library('pdf');          $pdf = new pdf('p', 'mm', 'a4', true, 'utf-8', false);          $pdf->settitle('pdf example');          $pdf->setheadermargin(30);          $pdf->settopmargin(20);         $pdf->setfootermargin(20);          $pdf->setautopagebreak(true);         $pdf->setauthor('author');          $pdf->setdisplaymode('real', 'default');         $pdf->write(5, 'codeigniter tcpdf integration');          ob_clean();         $pdf->output('pdfexample.pdf', 'i');     }  } 

but unfortunately output show's 404 page not found. should ?

put tcpdf folder application/third_party/

now create 1 library appliocation/library , put code below.

<?php if ( ! defined('basepath')) exit('no direct script access allowed');  require_once apppath."/third_party/tcpdf/tcpdf.php";  class pdf extends tcpdf {      public function __construct() {         parent::__construct();     } } 

and controller code same have written.