Step 1: Create the Database Table
Create a users table in your MySQL database:
CREATE TABLE users (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(50) NOT NULL,
surname VARCHAR(50) NOT NULL,
email VARCHAR(100) NOT NULL UNIQUE,
university VARCHAR(100),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
Step 2: Create the User Model
In your CodeIgniter project, create a model named UserModel.php in app/Models/:
<?php
namespace App\Models;
use CodeIgniter\Model;
class UserModel extends Model
{
protected $table = 'users';
protected $primaryKey = 'id';
protected $allowedFields = ['name', 'surname', 'email', 'university'];
protected $useTimestamps = true;
protected $createdField = 'created_at';
}
Step 3: Install DOMPDF
Run the following command in your project directory to install DOMPDF:
composer require dompdf/dompdf
Step 4: Create the PDF Generation Controller
Create a controller named PdfController.php in app/Controllers/:
<?php
namespace App\Controllers;
use App\Models\UserModel;
use Dompdf\Dompdf;
use Dompdf\Options;
class PdfController extends BaseController
{
public function generateUserListPdf(){
$userModel = new UserModel();
// Retrieve all users from the database
$users = $userModel->findAll();
$options = new Options();
$options->set('isRemoteEnable',true);
$dompdf = new Dompdf($options);
$html = view('user_list_pdf',['users' => $users]);
$dompdf->loadHtml($html);
$dompdf->render();
$filename = 'user_list_'.date('YmdHis').'pdf';
$dompdf->stream($filename,['Attachment'=>false]);
}
}
Step 5: Create the HTML View for the PDF
In app/Views/, create a new file named user_list_pdf.php with the following content:
<!DOCTYPE html>
<html>
<head>
<style>
table {
border-collapse: collapse;
width: 100%;
}
th, td {
border: 1px solid black;
padding: 8px;
}
th {
background-color: lightgray;
}
</style>
</head>
<body>
<h1>List of Users</h1>
<table>
<tr>
<th>No</th>
<th>Name and Surname</th>
<th>Email</th>
<th>University</th>
<th>Created Date</th>
</tr>
<?php foreach ($users as $index => $user) : ?>
<tr>
<td><?= $index + 1; ?></td>
<td><?= esc($user['name']); ?> <?= esc($user['surname']); ?></td>
<td><?= esc($user['email']); ?></td>
<td><?= esc($user['university']); ?></td>
<td><?= esc($user['created_at']); ?></td>
</tr>
<?php endforeach; ?>
</table>
</body>
</html>
Step 6: Define the Route
In app/Config/Routes.php, add a route to access the PDF generation function:
$routes->get('generate-user-list-pdf', 'PdfController::generateUserListPdf');
Step 7: Test the Setup
Visit http://yourdomain.com/generate-user-list-pdf in your browser. This should:
Retrieve all users from the database.
Render the user_list_pdf view with user data.
Generate a PDF with the user list and display it in the browser.
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