title Controllers Back to index Controllers Controller - symfony.com Naming conventions Creating Routes in YAML, XML or PHP files - symfony.com The base AbstractController class AbstractController.php - github.com The request The Request and Response Object - symfony.com Request.php - github.com The response Response.php - github.com The cookies The HttpFoundation Component - symfony.com The session Managing the Session - symfony.com The flash messages Flash Messages - symfony.com HTTP redirects Redirecting - symfony.com Internal redirects How to Forward Requests to another Controller - symfony.com Generate 404 pages Managing Errors and 404 Pages - symfony.com How to Customize Error Pages - symfony.com File upload How to Upload Files - symfony.com Built-in internal controllers How to Render a Template directly from a route - symfony.com How to Redirect to Urls and Routes directly from a route - symfony.com Argument value resolvers New in Symfony 6.3: Targeted Value Resolvers - symfony.com Extending Action Argument Resolving - symfony.com