Symfony Documentation
Warning: You are browsing the documentation for Symfony 4.x, which is no longer maintained.
Read the updated version of this page for Symfony 7.2 (the current stable version).
Quick Tour
Get started fast with the Symfony Quick Tour:
Topics
- The Symfony Framework Best Practices
- The Bundle System
- Cache
- Console Commands
- Databases and the Doctrine ORM
- How to Deploy a Symfony Application
- Swift Mailer
- Events and Event Listeners
- Forms
- Managing CSS and JavaScript
- HTTP Cache
- HTTP Client
- Dealing with Concurrency with Locks
- Logging
- Sending Emails with Mailer
- Pushing Data to Clients Using the Mercure Protocol
- Messenger: Sync & Queued Message Handling
- Migrating an Existing Application to Symfony
- Performance
- Profiler
- Routing
- Security
- Sessions
- Installing & Setting up the Symfony Framework
- How to Use the Serializer
- Service Container
- Testing
- Translations
- Validation
- Asset Preloading and Resource Hints with HTTP/2 and WebLink
- Workflow
Components
Read the Components documentation.
Reference Documents
Get answers quickly with reference documents:
Configuration Options
Ever wondered what configuration options you have available to you in
config/packages/*.yamlfiles? In this section, all the available configuration is broken down by the key (e.g.framework) that defines each possible section of your Symfony configuration.- Configuring the Kernel
Forms and Validation
- Twig Extensions (forms, filters, tags, etc) Reference
Other Areas
Create your Own Framework
Want to create your own framework based on Symfony?
- Introduction
- The HttpFoundation Component
- The Front Controller
- The Routing Component
- Templating
- The HttpKernel Component: the Controller Resolver
- The Separation of Concerns
- Unit Testing
- The EventDispatcher Component
- The HttpKernel Component: HttpKernelInterface
- The HttpKernel Component: The HttpKernel Class
- The DependencyInjection Component