Flash Session in Laravel Framework

Download and install the latest version of Composer from https://getcomposer.org/download/
Open Windows Terminal in Visual Studio Code install Laravel Installer with command as below:
```
composer global require laravel/installer
```
Create new folder named LearnLaravelWithRealApps. Use Visual Studio Code open to LearnLaravelWithRealApps foler. In this folder, create new project named LearnLaravelWithRealApps with command as below:
```
laravel new LearnLaravelWithRealApps
```
Run LearnLaravelWithRealApps project with command as below:
```
php artisan serve
```
Open LearnLaravelWithRealApps project with url as below:

Create new PHP file named DemoController.php in app/Http/Controllers folder as below:

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class DemoController extends Controller
{
	public function index(Request $request)
	{
		$request->session()->flash('msg1', 'abc');
		$request->session()->flash('msg2', 'def');
		return redirect('/demo/index2');
	}

	public function index2(Request $request)
	{
		if ($request->session()->has('msg1')) {
			echo 'msg1: ' . $request->session()->get('msg1').'<br>';
		}
		return view('demo/index');
	}
}

Create new folder named demo in resources/views folder. In this folder, create new Blade file named index.blade.php as below:

<html>

	<html>

	<head>
		<title>Laravel</title>
	</head>

	<body>

		@if(Session::has('msg1'))
			msg1: {{session('msg1')}}
		<br>
		@endif

		@if(Session::has('msg2'))
			msg2: {{session('msg2')}}
		@endif
		<h3>Index</h3>

	</body>

</html>

Open web.php file in routes folder, add new routes as below:

<?php
				
use Illuminate\Support\Facades\Route;

use App\Http\Controllers\DemoController;

Route::group([], function () {
	Route::get('/', [DemoController::class, 'index']);
	Route::get('/demo', [DemoController::class, 'index']);
	Route::get('/demo/index', [DemoController::class, 'index']);
	Route::get('/demo/index2', [DemoController::class, 'index2']);
});

Access index action in Demo controller with url http://localhost:8000/demo/index to create new sessions and redirect to index2 action in Demo controller with url http://localhost:8000/demo/index2

Output

Install Laravel

Controllers

Views

Routes

Structure of Laravel Project

Run Application