Login Form with Session in Laravel Framework - Learn Programming with Real Apps

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:
```
http://localhost:8000
```

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()
	{
		return view('demo/index');
	}

	public function welcome(Request $request)
	{
		$data = array(
			'username' => $request->session()->get('username')
		);
		return view('demo/welcome')->with($data);
	}

	public function processLogin(Request $request)
	{
		$username = $request->input('username');
		$password = $request->input('password');
		if ($username == 'abc' && $password == '123') {
			$request->session()->put('username', $username);
			return redirect('/demo/welcome');
		} else {
			$data = array(
				'msg' => 'Invalid'
			);
			return view('demo/index')->with($data);
		}
	}

	public function logout(Request $request)
	{
		$request->session()->forget('username');
		return redirect('/demo/index');
	}
}

Create new folder named demo in resources/views folder. In demo folder, create new views as below:

Create new PHP file named index.blade.php in resources/views/demo as below:

<html>

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

	<body>

		<h3>Login</h3>
		{{ isset($msg) ? $msg : '' }}
		<form method="post" action="{{url('/demo/processlogin')}}">
			@csrf
			<table cellpadding="2" cellspacing="2">
				<tr>
					<td>Username</td>
					<td>
						<input type="text" name="username" required="required">
					</td>
				</tr>
				<tr>
					<td>Password</td>
					<td>
						<input type="password" name="password" required="required">
					</td>
				</tr>
				<tr>
					<td>&nbsp;</td>
					<td>
						<input type="submit" value="Login">
					</td>
				</tr>
			</table>
		</form>

	</body>

</html>

Create new PHP file named welcome.blade.php in resources/views/demo as below:

<html>

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

	<body>

		Welcome {{$username}}
		<br>
		<a href="{{url('/demo/logout')}}">Logout</a>

	</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/welcome', [DemoController::class, 'welcome']);
	Route::get('/demo/logout', [DemoController::class, 'logout']);
	Route::post('/demo/processlogin', [DemoController::class, 'processLogin']);
});

Access index action in Demo controller with following url: http://localhost:8000/demo/index

Output

Test with invalid account is username: aaa and password: 123

Output

Test with valid account is username: abc and password: 123.

Output

Click logout link from success page to remove session and open login page again

Output

Install Laravel

Controllers

Views

Demo Views

Index View

Welcome View

Routes

Structure of Laravel Project

Run Application

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