Skip to content
  • About
    • What is Symfony?
    • Community
    • News
    • Contributing
    • Support
  • Documentation
    • Symfony Docs
    • Symfony Book
    • Screencasts
    • Symfony Bundles
    • Symfony Cloud
    • Training
  • Services
    • SensioLabs Professional services to help you with Symfony
    • Platform.sh for Symfony Best platform to deploy Symfony apps
    • SymfonyInsight Automatic quality checks for your apps
    • Symfony Certification Prove your knowledge and boost your career
    • Blackfire Profile and monitor performance of your apps
  • Other
  • Blog
  • Download
sponsored by SensioLabs
  1. Home
  2. Documentation
  3. Components
  • Documentation
  • Book
  • Reference
  • Bundles
  • Cloud

The Components

Edit this page

Warning: You are browsing the documentation for Symfony 4.1, which is no longer maintained.

Read the updated version of this page for Symfony 6.2 (the current stable version).

The Components

  • How to Install and Use the Symfony Components
  • The Asset Component
  • The BrowserKit Component
  • The Cache Component
  • APCu Cache Adapter
  • Array Cache Adapter
  • Chain Cache Adapter
  • Doctrine Cache Adapter
  • Filesystem Cache Adapter
  • Memcached Cache Adapter
  • PDO & Doctrine DBAL Cache Adapter
  • Php Array Cache Adapter
  • Php Files Cache Adapter
  • Proxy Cache Adapter
  • Redis Cache Adapter
  • Cache Invalidation
  • Cache Items
  • Cache Pools and Supported Adapters
  • Adapters For Interoperability between PSR-6 and PSR-16 Cache
  • The ClassLoader Component
  • The Config Component
  • Caching based on Resources
  • Defining and Processing Configuration Values
  • Loading Resources
  • The Console Component
  • Changing the Default Command
  • Understanding how Console Arguments and Options Are Handled
  • Using Events
  • Debug Formatter Helper
  • Formatter Helper
  • The Console Helpers
  • Process Helper
  • Progress Bar
  • Question Helper
  • Table
  • Using the Logger
  • Building a single Command Application
  • Using Console Commands, Shortcuts and Built-in Commands
  • The CssSelector Component
  • The Debug Component
  • The DependencyInjection Component
  • Compiling the Container
  • Container Building Workflow
  • The DomCrawler Component
  • The Dotenv Component
  • The EventDispatcher Component
  • The Container Aware Event Dispatcher
  • The Generic Event Object
  • The Immutable Event Dispatcher
  • The Traceable Event Dispatcher
  • The ExpressionLanguage Component
  • Dumping and Manipulating the AST of Expressions
  • Caching Expressions Using Parser Caches
  • Extending the ExpressionLanguage
  • The Expression Syntax
  • The Filesystem Component
  • LockHandler
  • The Finder Component
  • The Form Component
  • The HttpFoundation Component
  • Configuring Sessions and Save Handlers
  • Integrating with Legacy Sessions
  • Testing with Sessions
  • Session Management
  • The HttpKernel Component
  • The Components
  • The Intl Component
  • The Ldap Component
  • The Lock Component
  • The Messenger Component
  • The OptionsResolver Component
  • The PHPUnit Bridge
  • The Symfony Polyfill / APCu Component
  • The Symfony Polyfill / Ctype Component
  • The Symfony Polyfill / Iconv Component
  • The Symfony Polyfill / Intl Grapheme Component
  • The Symfony Polyfill / Intl ICU Component
  • The Symfony Polyfill / Intl Normalizer Component
  • The Symfony Polyfill / Mbstring Component
  • The Symfony Polyfill / PHP 5.4 Component
  • The Symfony Polyfill / PHP 5.5 Component
  • The Symfony Polyfill / PHP 5.6 Component
  • The Symfony Polyfill / PHP 7.0 Component
  • The Symfony Polyfill / PHP 7.1 Component
  • The Symfony Polyfill / PHP 7.2 Component
  • The Symfony Polyfill / PHP 7.3 Component
  • The Process Component
  • The PropertyAccess Component
  • The PropertyInfo Component
  • The PSR-7 Bridge
  • The Routing Component
  • The Security Component
  • Authentication
  • Authorization
  • The Firewall and Authorization
  • Securely Generating Random Values
  • The Serializer Component
  • The Stopwatch Component
  • The Templating Component
  • Slots Helper
  • The Translation Component
  • Adding Custom Format Support
  • Using the Translator
  • How to Install and Use the Symfony Components
  • The Validator Component
  • Metadata
  • Loading Resources
  • The VarDumper Component
  • Advanced Usage of the VarDumper Component
  • The WebLink Component
  • The Workflow Component
  • The Yaml Component
  • The YAML Format
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.
TOC
    Version
    We stand with Ukraine.
    Version:
    Show your Sylius expertise

    Show your Sylius expertise

    Symfony Code Performance Profiling

    Symfony Code Performance Profiling

    Symfony footer

    ↓ Our footer now uses the colors of the Ukrainian flag because Symfony stands with the people of Ukraine.

    Avatar of Piergiuseppe Longo, a Symfony contributor

    Thanks Piergiuseppe Longo for being a Symfony contributor

    1 commit • 3 lines changed

    View all contributors that help us make Symfony

    Become a Symfony contributor

    Be an active part of the community and contribute ideas, code and bug fixes. Both experts and newcomers are welcome.

    Learn how to contribute

    Symfony™ is a trademark of Symfony SAS. All rights reserved.

    • What is Symfony?

      • Symfony at a Glance
      • Symfony Components
      • Case Studies
      • Symfony Releases
      • Security Policy
      • Logo & Screenshots
      • Trademark & Licenses
      • symfony1 Legacy
    • Learn Symfony

      • Symfony Docs
      • Symfony Book
      • Reference
      • Bundles
      • Best Practices
      • Training
      • eLearning Platform
      • Certification
    • Screencasts

      • Learn Symfony
      • Learn PHP
      • Learn JavaScript
      • Learn Drupal
      • Learn RESTful APIs
    • Community

      • SymfonyConnect
      • Support
      • How to be Involved
      • Code of Conduct
      • Events & Meetups
      • Projects using Symfony
      • Downloads Stats
      • Contributors
      • Backers
    • Blog

      • Events & Meetups
      • A week of symfony
      • Case studies
      • Cloud
      • Community
      • Conferences
      • Diversity
      • Documentation
      • Living on the edge
      • Releases
      • Security Advisories
      • SymfonyInsight
      • Twig
      • SensioLabs
    • Services

      • SensioLabs services
      • Train developers
      • Manage your project quality
      • Improve your project performance
      • Host Symfony projects

      Deployed on

    Follow Symfony