generate pdf with dompdf

============CONTROLLER==============

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

	/**
	* @author  : Yudi Purwanto
	* @link    : http://yudi-purwanto.com
	* @since   : 14 may 2014
	*/

class Pdf extends CI_Controller
{
	function __construct()
	{
		parent::__construct();
		session_start();
		$this->load->helper(array('dompdf', 'file'));
	}

	function generate()
	{
		$slug = $this->uri->segment(3);
		$idtutorial='';
		//$limit = 10;
		$data1 = $this->frontend_model->generate_detail_tutorial($slug);
		foreach ($data1->result() as $d)
		{
			$judul = $d->title;
		}
		$data['title'] = $judul. " yudi purwanto";
		$data['detail'] = $this->frontend_model->generate_detail_tutorial($slug);
		//$data['popular'] = $this->frontend_model->generate_popular($limit);

		//$data['random'] = $this->frontend_model->generate_random($idtutorial);
		//$data['freebie'] = $this->frontend_model->popular_ebook();
		//$data['authors'] = $this->db->get('about')->result();
     	// page info here, db calls, etc.

     	//$this->load->view('frontend/_header',$data);
     	$html = $this->load->view('pdf_message', $data, true);

     	//$this->load->view('frontend/_popular',$data);
		//$this->load->view('frontend/_footer');
     	//var_dump($html);
     	pdf_create($html, url_title($data['title']), 'dash', TRUE);
	}
}

/* End of file pdf.php */
/* Location: ./application/controller/pdf.php */

===================END===================

=================HELPER==================

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
function pdf_create($html, $filename='', $stream=TRUE) 
{
    require_once("dompdf/dompdf_config.inc.php");

    $dompdf = new DOMPDF();
    $dompdf->load_html($html);
    $dompdf->render();
    if ($stream) {
        $dompdf->stream($filename.".pdf");
    } else {
        return $dompdf->output();
    }
}
?>

===========END==============