Skip to content
  • About
    • What is Symfony?
    • Community
    • News
    • Contributing
    • Support
  • Documentation
    • Symfony Docs
    • Symfony Book
    • Screencasts
    • Symfony Bundles
    • Symfony Cloud
    • Training
  • Services
    • 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
    • SensioLabs Professional services to help you with Symfony
    • 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Warning: You are browsing the documentation for Symfony 5.1, which is no longer maintained.

Read the updated version of this page for Symfony 6.3 (the current stable version).

The Components

See also

See the dedicated Symfony Components webpage for a full overview of decoupled and reusable Symfony 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
  • Couchbase 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 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 Contracts Component
  • The CssSelector Component
  • The DependencyInjection Component
  • Compiling the Container
  • Container Building Workflow
  • The DomCrawler 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 Inflector Component
  • The Intl Component
  • The Ldap Component
  • The Lock Component
  • The Messenger Component
  • The Mime Component
  • The OptionsResolver Component
  • The PHPUnit Bridge
  • The Process Component
  • The PropertyAccess Component
  • The PropertyInfo Component
  • The PSR-7 Bridge
  • The Security Component
  • Authentication
  • Authorization
  • The Firewall and Authorization
  • Securely Generating Random Values
  • The Serializer Component
  • The String Component
  • The UID Component
  • How to Install and Use the Symfony Components
  • The Validator Component
  • Metadata
  • Loading Resources
  • The VarDumper Component
  • Advanced Usage of the VarDumper Component
  • The VarExporter 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:
    Symfony Code Performance Profiling

    Symfony Code Performance Profiling

    Check Code Performance in Dev, Test, Staging & Production

    Check Code Performance in Dev, Test, Staging & Production

    Symfony footer

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

    Avatar of Philippe Villiers, a Symfony contributor

    Thanks Philippe Villiers for being a Symfony contributor

    1 commit • 10 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

    Search by Meilisearch