Implementing user authentication in Yii using the built-in authClient and authManager components to protect your application from unauthorized access and prevent common web attacks such as CSRF and XSS.

Creating and managing user sessions in Express.js, including storing and retrieving user data, implementing authentication and authorization, and destroying sessions when necessary using the express-session middleware. Sessions enable personalization, authentication, and secure access to protected resources, and can be stored securely using a secret key.

Discover how to work with routing, controllers, and views in Laravel and Symfony, two popular PHP frameworks. Learn how to define routes, handle requests and responses with controllers, and render data with views in both frameworks. Gain practical experience with templating engines like Blade and Twig.