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The Components

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Warning: You are browsing the documentation for Symfony 2.5, which is no longer maintained.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
  • ClassLoader

    • The ClassLoader Component
    • The PSR-0 Class Loader
    • The PSR-4 Class Loader
    • MapClassLoader
    • Cache a Class Loader
    • Debugging a Class Loader
    • The Class Map Generator
  • Config

    • The Config Component
    • Loading Resources
    • Caching Based on Resources
    • Defining and Processing Configuration Values
  • Console

    • The Console Component
    • Using Console Commands, Shortcuts and Built-in Commands
    • Building a single Command Application
    • Changing the Default Command
    • Understanding how Console Arguments Are Handled
    • Using Events
    • Using the Logger
    • The Console Helpers
  • CssSelector

    • The CssSelector Component
  • Debug

    • The Debug Component
    • Debugging a Class Loader
  • DependencyInjection

    • The DependencyInjection Component
    • Types of Injection
    • Introduction to Parameters
    • Working with Container Service Definitions
    • Compiling the Container
    • Working with Tagged Services
    • Using a Factory to Create Services
    • Configuring Services with a Service Configurator
    • Managing common Dependencies with parent Services
    • Advanced Container Configuration
    • Lazy Services
    • Container Building Workflow
  • DomCrawler

    • The DomCrawler Component
  • EventDispatcher

    • The EventDispatcher Component
    • The Container Aware Event Dispatcher
    • The Generic Event Object
    • The Immutable Event Dispatcher
    • The Traceable Event Dispatcher
  • Expression Language

    • The ExpressionLanguage Component
    • The Expression Syntax
    • Extending the ExpressionLanguage
    • Caching Expressions Using Parser Caches
  • Filesystem

    • The Filesystem Component
  • Finder

    • The Finder Component
  • Form

    • The Form Component
    • Form Events
    • Creating a custom Type Guesser
  • HttpFoundation

    • The HttpFoundation Component
    • Session Management
    • Configuring Sessions and Save Handlers
    • Testing with Sessions
    • Integrating with Legacy Sessions
    • Trusting Proxies
  • HttpKernel

    • The HttpKernel Component
  • Intl

    • The Intl Component
  • OptionsResolver

    • The OptionsResolver Component
  • Process

    • The Process Component
  • PropertyAccess

    • The PropertyAccess Component
  • Routing

    • The Routing Component
    • How to Match a Route Based on the Host
  • Security

    • The Security Component
    • The Firewall and Security Context
    • Authentication
    • Authorization
    • Securely Comparing Strings and Generating Random Numbers
  • Serializer

    • The Serializer Component
  • Stopwatch

    • The Stopwatch Component
  • Templating

    • The Templating Component
  • Translation

    • The Translation Component
    • Using the Translator
    • Adding Custom Format Support
  • Yaml

    • The Yaml Component
    • The YAML Format
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.
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