Nowadays PDF is the most used format in various web applications. There are multiple libraries like TCPDF, Snappy, mPDF etc can be used to create PDF in a web application. DomPDF is one of the most popular libraries to convert your data into PDF. Here are very easy steps to create HTML to PDF:
We are using default views/welcome_message.php with controller/welcome.php to generate pdf that is easy to understand. You can add your model & include it into the controller.
Step 1: Download DOMPDF from here. Paste it into application\libraries folder
Step 2: Create a file name named Pdf.php into application\libraries folder and paste below code.
<?php
if (!defined('BASEPATH'))
exit('No direct script access allowed');
require_once 'dompdf/autoload.inc.php';
use DompdfDompdf;
class Pdf extends Dompdf {
public function __construct() {
parent::__construct();
}
}
?>
Step 3 : Now create an controller that renders html view to PDF.
<?php
if (!defined('BASEPATH'))
exit('No direct script access allowed');
class Welcome extends CI_Controller {
function GeneratePdf(){
$this->load->view('welcome_message');
$html = $this->output->get_output();
// Load pdf library
$this->load->library('pdf');
$this->pdf->loadHtml($html);
$this->pdf->setPaper('A4', 'landscape');
$this->pdf->render();
// Output the generated PDF (1 = download and 0 = preview)
$this->pdf->stream("html_contents.pdf", array("Attachment"=> 0));
}
}
Step 4 :In above controller we have used default welcome.php, you can replace with YOUR_VIEW.php file. Create a model if you are using custom view in step4 and load it into controller.
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
?><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Welcome to CodeIgniter</title><style type="text/css">::selection { background-color: #E13300; color: white; }
::-moz-selection { background-color: #E13300; color: white; }
body {
background-color: #fff;
margin: 40px;
font: 13px/20px normal Helvetica, Arial, sans-serif;
color: #4F5155;
}
a {
color: #003399;
background-color: transparent;
font-weight: normal;
}
h1 {
color: #444;
background-color: transparent;
border-bottom: 1px solid #D0D0D0;
font-size: 19px;
font-weight: normal;
margin: 0 0 14px 0;
padding: 14px 15px 10px 15px;
}
code {
font-family: Consolas, Monaco, Courier New, Courier, monospace;
font-size: 12px;
background-color: #f9f9f9;
border: 1px solid #D0D0D0;
color: #002166;
display: block;
margin: 14px 0 14px 0;
padding: 12px 10px 12px 10px;
}
#body {
margin: 0 15px 0 15px;
}
p.footer {
text-align: right;
font-size: 11px;
border-top: 1px solid #D0D0D0;
line-height: 32px;
padding: 0 10px 0 10px;
margin: 20px 0 0 0;
}
#container {
margin: 10px;
border: 1px solid #D0D0D0;
box-shadow: 0 0 8px #D0D0D0;
}</style></head>
<body>
<div id="container">
<h1>Welcome to CodeIgniter!</h1>
<div id="body">
<p>The page you are looking at is being generated dynamically by CodeIgniter.</p>
<p>If you would like to edit this page you'll find it located at:</p>
<code>application/views/welcome_message.php</code>
<p>The corresponding controller for this page is found at:</p>
<code>application/controllers/Welcome.php</code>
<p>If you are exploring CodeIgniter for the very first time, you should start by reading the <a href="user_guide/">User Guide</a>.</p>
</div>
<p class="footer">Page rendered in <strong>{elapsed_time}</strong> seconds. <?php echo (ENVIRONMENT === 'development') ? 'CodeIgniter Version <strong>' . CI_VERSION . '</strong>' : '' ?></p>
</div>
</body>
</html>
Editor
That’s it your rendered html in view file will looks like above image. Check it by http://YOUR_SITE_URL/welcome/generatepdf
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