Laravel 9 QR Code Generator Example

Websolutionstuff | Mar-25-2022 | Categories : Laravel PHP

In this article, we will see laravel 9 QR code generator example. As per the current trend, many websites and applications provide features like login with QR code, scan QR code and get more information about products and websites, etc. we will implement a QR code example. there are many packages available to generate QR code. we will use Endroid QR Code Generator. Also, you can generate a dynamic QR code generator in laravel 9.

So, let's see how to generate QR code in laravel 9, laravel 9 generate QR code, generate QR code laravel 9, how to generate dynamic QR code in laravel 9.

Step 1 : Install Laravel 9

Step 2 : Install Endroid QR Code Package

Step 3 : Create Controller

Step 4 : Add Route

Step 5 : Create Blade File

Step 1 : Install Laravel 9

In this step, we will create laravel 9 application using the below command.

composer create-project --prefer-dist laravel/laravel QRcode

Read Also : Laravel 9 Image Upload In Summernote Editor

Step 2 : Install Endroid QR Code Package

After installation of the project, you need to install Endroid QR Code Package using the below command.

composer require endroid/qr-code

Step 3 : Create Controller

Now create a controller app\Http\Controllers\QRController.php and add the below command.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Endroid\QrCode\QrCode;
use Endroid\QrCode\ErrorCorrectionLevel;
use Endroid\QrCode\LabelAlignment;

class QRController extends Controller
{
    public function index()
    {
    	return view('qrcode.index');
    }
    
    public function create()
    {
		$qrCode = new QrCode('websolutionstuff.com');
		$qrCode->setSize(500);
		$qrCode->setMargin(10); 
		$qrCode->setEncoding('UTF-8');
		$qrCode->setWriterByName('png');
		$qrCode->setErrorCorrectionLevel(ErrorCorrectionLevel::HIGH());
		$qrCode->setForegroundColor(['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0]);
		$qrCode->setBackgroundColor(['r' => 255, 'g' => 255, 'b' => 255, 'a' => 0]);
		$qrCode->setLogoSize(150, 200);
		$qrCode->setValidateResult(false);		
		$qrCode->setRoundBlockSize(true);
		$qrCode->setWriterOptions(['exclude_xml_declaration' => true]);
		header('Content-Type: '.$qrCode->getContentType());
		$qrCode->writeFile(public_path('/qrcode.png'));

		return redirect()->route('qrcode.index');
    }
}

Read Also : How To Create Dynamic Line Chart In Laravel 9

Step 4 : Add Route

We need to add a route for generating QR code and viewing files.

<?php

use Illuminate\Support\Facades\Route;
use App\Http\Controllers\QRController;
/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::get('/', function () {
    return view('welcome');
});

Route::get('qr_code/index',[QRController::class,'index'])->name('qrcode.index');
Route::get('qr_code/create',[QRController::class,'create'])->name('qrcode.create');

Step 5 : Create Blade File

Now, we need to create a blade file for viewing / generating, and downloading QR codes. So, add the below code in your index.blade.php file

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<title>Laravel 9 QR Code Generator Example - Websolutionstuff</title>
		<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
	</head>
	<body>
		<form class="text-center" action="{{route('qrcode.create')}}" method="get" accept-charset="utf-8">
			<div class="row mt-5">
				<div class="col-md-12">
					<h2>Laravel 9 QR Code Generator Example - Websolutionstuff</h2>
					<button class="btn btn-success" type="submit">Generate</button> 
					<a href="{{asset('qrcode.png')}}" class="btn btn-primary" download>Download</a><br>
					<img class="img-thumbnail" src="{{asset('qrcode.png')}}" width="150" height="150" style="margin-top: 20px">
				</div>
			</div>
		</form>
	</body>
</html>

You can customize this QR code as per your requirements like background colors, foreground color, QR code size, QR code margin, etc...

Read Also : How To Upload Multiple Image In Laravel 9

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