Laravel 10 How to Add Barcode in PDF Using DomPDF

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Barcodes are used in document management, inventory monitoring, and a variety of other applications. In this tutorial, you’ll learn how to add a barcode to PDF documents in Laravel 10 using the famous DomPDF package. This will allow you to create PDF files with integrated barcodes, which will be useful for a range of business and data management applications.

Barcodes make data entry and retrieval more efficient and accurate. They are used in inventory management, shipping labels, event tickets, and a variety of other applications. By including barcodes into your PDFs, you improve their usability and automation.

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Let’s get started.

What is Barcode?

A barcode is a machine-readable visual, binary representation of data. It is made up of a succession of parallel lines, bars, or dots with variable widths and spacings that are commonly used on labels, items, or packaging.

Example,

Laravel Installation

Open terminal and run this command to create a laravel project.

composer create-project laravel/laravel myblog

It will create a project folder with name myblog inside your local system.

To start the development server of laravel –

php artisan serve

URL: http://127.0.0.1:8000

Assuming laravel already installed inside your system.

Installation of Laravel DomPDF and Barcode Package

Here, we will install a pdf and barcode package to laravel application.

Open project terminal and run this command,

DomPDF Package

composer require barryvdh/laravel-dompdf

Barcode Package

composer require picqer/php-barcode-generator

Setup PDF Controller

Back to project terminal and run this command into it,

php artisan make:controller PDFController

It will create a PDFController.php file inside /app/Http/Controllers folder.

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Open file and write this code into it,

<?php
    
namespace App\Http\Controllers;
    
use Illuminate\Http\Request;
use Picqer\Barcode\BarcodeGeneratorPNG;
use PDF;
    
class PDFController extends Controller
{
    public function generatePDF()
    {
        $generator = new BarcodeGeneratorPNG();
        $barcode = base64_encode($generator->getBarcode('081231723897', $generator::TYPE_CODE_128));
        $data = [
            'title' => 'Welcome to Online Web Tutor',
            'barcode' => $barcode
        ]; 
              
        $pdf = PDF::loadView('my-pdf', $data);
  
        return $pdf->download('onlinewebtutor.pdf');
    }
}

Create Blade Template

Create a file named as my-pdf.blade.php inside /resources/views folder.

This template file will be the layout for pdf file with barcode image

Open file and write this code into it,

<!DOCTYPE html>
<html>

<head>
    <title>Laravel 10 How to Add Barcode in PDF Using DomPDF</title>
</head>

<body>

    <div>
        <h1>Laravel PDF with Barcode Example</h1>

        <p>
            Phasellus nonummy? Porta venenatis magnam, tortor? Vivamus elementum hac magna mi ut magni praesent fugit
            per! Aute molestias sapiente recusandae adipiscing imperdiet cupidatat temporibus per nibh duis etiam? Illo
            malesuada! Exercitation cum recusandae iaculis vel, proident faucibus deleniti minus diamlorem, quisque
            suscipit? Nunc rerum, ligula felis ullamcorper posuere, anim, vehicula sollicitudin iusto maxime perferendis
            curae? Voluptate metus excepturi ultricies cum! Viverra vero libero ratione interdum rerum. Nemo debitis
            commodi expedita, esse rutrum? Faucibus nulla eos, wisi ab adipiscing? Ligula, hendrerit, porttitor laoreet
            purus molestiae, sodales augue eius perspiciatis, interdum parturient? Error odit? Vel, ullamcorper netus
            occaecati odio! Eos minima expedita.
        </p>

        <img src="data:image/png;base64,{{ $barcode }}">

    </div>

</body>

</html>

Add Route

Open web.php from /routes folder. Add this route into it,

//...

use App\Http\Controllers\PDFController;

Route::get('generate-pdf', [PDFController::class, 'generatePDF']);

//...

Application Testing

Run this command into project terminal to start development server,

php artisan serve

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URL: http://127.0.0.1:8000/generate-pdf

When we type this URL, it will download a pdf file into system,

That’s it.

We hope this article helped you to learn about Laravel 10 How to Add Barcode in PDF Using DomPDF Tutorial Example in a very detailed way.

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Sanjay KumarHello friends, I am Sanjay Kumar a Web Developer by profession. Additionally I'm also a Blogger, Youtuber by Passion. I founded Online Web Tutor and Skillshike platforms. By using these platforms I am sharing the valuable knowledge of Programming, Tips and Tricks, Programming Standards and more what I have with you all. Read more