Symfony Components
Symfony Components are decoupled libraries for PHP applications. Battle-tested in hundreds of thousands of projects and downloaded billions of times, they're the foundation of the most important PHP projects.
Installation
Use Composer to install any of the Symfony Components in your PHP project:
All Symfony Components
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Polyfill Mbstring
532 million downloads (448K per day) • 354 OSS projects depend on it
Symfony polyfill for the Mbstring extension
DeprecationContracts
214 million downloads (403K per day) • 176 OSS projects depend on it
A generic function and convention to trigger deprecation notices
Polyfill PHP 8.0
248 million downloads (397K per day) • 454 OSS projects depend on it
Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions
Polyfill Intl Normalizer
243 million downloads (392K per day) • 19 OSS projects depend on it
Symfony polyfill for intl's Normalizer class and related functions
Console
486 million downloads (376K per day) • 9,473 OSS projects depend on it
Eases the creation of beautiful and testable command line interfaces
Polyfill Ctype
411 million downloads (374K per day) • 85 OSS projects depend on it
Symfony polyfill for ctype functions
Service Contracts
284 million downloads (356K per day) • 95 OSS projects depend on it
Generic abstractions related to writing services
EventDispatcher
442 million downloads (342K per day) • 2,741 OSS projects depend on it
Provides tools that allow your application components to communicate with each other by dispatching events and listening to them
Process
422 million downloads (330K per day) • 4,280 OSS projects depend on it
Executes commands in sub-processes
This component is backed by SensioLabs
As the creator of Symfony, SensioLabs supports companies using Symfony, with an offering encompassing consultancy, expertise, services, training, and technical assistance to ensure the success of web application development projects.
Polyfill Intl IDN
274 million downloads (329K per day) • 40 OSS projects depend on it
Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
EventDispatcher Contracts
241 million downloads (328K per day) • 179 OSS projects depend on it
Generic abstractions related to dispatching event
Polyfill PHP 7.2
312 million downloads (312K per day) • 41 OSS projects depend on it
Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
Translation
359 million downloads (306K per day) • 1,607 OSS projects depend on it
Provides tools to internationalize your application
String
180 million downloads (303K per day) • 350 OSS projects depend on it
Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way
Polyfill Intl Grapheme
178 million downloads (300K per day) • 7 OSS projects depend on it
Symfony polyfill for intl's grapheme_* functions
HttpFoundation
369 million downloads (284K per day) • 4,145 OSS projects depend on it
Defines an object-oriented layer for the HTTP specification
Translation Contracts
215 million downloads (284K per day) • 163 OSS projects depend on it
Generic abstractions related to translation
VarDumper
340 million downloads (283K per day) • 5,531 OSS projects depend on it
Provides mechanisms for walking through any arbitrary PHP variable
Finder
437 million downloads (282K per day) • 3,406 OSS projects depend on it
Finds files and directories via an intuitive fluent interface
Polyfill PHP 8.1
95 million downloads (277K per day) • 107 OSS projects depend on it
Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions
Polyfill PHP 7.3
272 million downloads (272K per day) • 84 OSS projects depend on it
Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions
CssSelector
319 million downloads (270K per day) • 2,205 OSS projects depend on it
Converts CSS selectors to XPath expressions
Routing
328 million downloads (270K per day) • 1,275 OSS projects depend on it
Maps an HTTP request to a set of configuration variables
Mime
208 million downloads (267K per day) • 396 OSS projects depend on it
Allows manipulating MIME messages
HttpKernel
342 million downloads (255K per day) • 4,815 OSS projects depend on it
Provides a structured process for converting a Request into a Response
ErrorHandler
187 million downloads (255K per day) • 246 OSS projects depend on it
Provides tools to manage errors and ease debugging PHP code
Yaml
333 million downloads (251K per day) • 8,161 OSS projects depend on it
Loads and dumps YAML files
Filesystem
290 million downloads (227K per day) • 2,549 OSS projects depend on it
Provides basic utilities for the filesystem
OptionsResolver
175 million downloads (186K per day) • 1,404 OSS projects depend on it
Provides an improved replacement for the array_replace PHP function
Polyfill Iconv
177 million downloads (167K per day) • 54 OSS projects depend on it
Symfony polyfill for the Iconv extension
Config
192 million downloads (160K per day) • 5,032 OSS projects depend on it
Helps you find, load, combine, autofill and validate configuration values of any kind
HttpClient Contracts
138 million downloads (151K per day) • 70 OSS projects depend on it
Generic abstractions related to HTTP clients
DependencyInjection
171 million downloads (143K per day) • 5,478 OSS projects depend on it
Allows you to standardize and centralize the way objects are constructed in your application
Stopwatch
137 million downloads (142K per day) • 680 OSS projects depend on it
Provides a way to profile code
DomCrawler
173 million downloads (119K per day) • 1,982 OSS projects depend on it
Eases DOM navigation for HTML and XML documents
VarExporter
96 million downloads (119K per day) • 156 OSS projects depend on it
Allows exporting any serializable PHP data structure to plain PHP code
Cache
108 million downloads (116K per day) • 1,408 OSS projects depend on it
Provides an extended PSR-6, PSR-16 (and tags) implementation
HttpClient
75 million downloads (114K per day) • 1,271 OSS projects depend on it
Provides powerful methods to fetch HTTP resources synchronously or asynchronously
This component is backed by Prisma Media
Prisma Media has become in 40 years the n°1 French publishing group, on print and digitally, with 20 flagship brands of the news magazines : Femme Actuelle, GEO, Capital, Gala or Télé-Loisirs… Today, more than 42 million French people are in contact with one of our brand each month, either by leafing through a magazine, surfing the web, subscribing one our mobile or tablet application or listening to our podcasts' series. Prisma Media has successfully transformed one's business model : from a historic player in the world of paper, it has become in 5 years one of the first publishers of multi-media editorial content, and one of the first creators of digital solutions.
Cache Contracts
82 million downloads (109K per day) • 43 OSS projects depend on it
Generic abstractions related to caching
Debug
DEPRECATED Don't use this component in new applications.
Provides tools to ease debugging PHP code
Serializer
101 million downloads (96K per day) • 1,674 OSS projects depend on it
Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.
PropertyAccess
103 million downloads (96K per day) • 1,630 OSS projects depend on it
Provides functions to read and write from/to an object or array using a simple string notation
PropertyInfo
71 million downloads (92K per day) • 491 OSS projects depend on it
Extracts information about PHP class' properties using metadata of popular sources
Validator
101 million downloads (85K per day) • 2,807 OSS projects depend on it
Provides tools to validate values
BrowserKit
120 million downloads (82K per day) • 2,098 OSS projects depend on it
Simulates the behavior of a web browser, allowing you to make requests, click on links and submit forms programmatically
Polyfill UUID
48 million downloads (78K per day) • 38 OSS projects depend on it
Symfony polyfill for uuid functions
Framework Bundle
78 million downloads (75K per day) • 9,116 OSS projects depend on it
Provides a tight integration between Symfony components and the Symfony full-stack framework
This component is backed by alximy
A team of passionate humans from very different backgrounds, sharing our love of PHP, Symfony and its ecosystem. Our CTO, Expert developers, tech leads, can help you learn or develop the tools you need, and perform audits or tailored workshops. We value contributing to the Open Source community and are willing to mentor new contributors in our team or yours.
Dotenv
70 million downloads (71K per day) • 1,670 OSS projects depend on it
Registers environment variables from a .env file
Polyfill Intl ICU
112 million downloads (68K per day) • 53 OSS projects depend on it
Symfony polyfill for intl's ICU-related data and classes
Twig Bridge
73 million downloads (62K per day) • 617 OSS projects depend on it
Provides integration for Twig with various Symfony components
PHPUnit Bridge
82 million downloads (61K per day) • 3,697 OSS projects depend on it
Provides utilities for PHPUnit, especially user deprecation notices management
ExpressionLanguage
69 million downloads (60K per day) • 1,195 OSS projects depend on it
Provides an engine that can compile and evaluate expressions
Monolog Bundle
114 million downloads (59K per day) • 1,744 OSS projects depend on it
Symfony MonologBundle
Twig Bundle
62 million downloads (57K per day) • 1,908 OSS projects depend on it
Provides a tight integration of Twig into the Symfony full-stack framework
Intl
73 million downloads (57K per day) • 748 OSS projects depend on it
Provides a PHP replacement layer for the C intl extension that includes additional data from the ICU library
Monolog Bridge
61 million downloads (55K per day) • 215 OSS projects depend on it
Provides integration for Monolog with various Symfony components
Doctrine Bridge
59 million downloads (54K per day) • 361 OSS projects depend on it
Provides integration for Doctrine with various Symfony components
Polyfill PHP 5.6
135 million downloads (53K per day) • 33 OSS projects depend on it
Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions
Symfony Flex
61 million downloads (51K per day) • 675 OSS projects depend on it
Composer plugin for Symfony
Asset
56 million downloads (50K per day) • 774 OSS projects depend on it
Manages URL generation and versioning of web assets such as CSS stylesheets, JavaScript files and image files
Polyfill PHP 7.0
155 million downloads (50K per day) • 56 OSS projects depend on it
Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions
Security Bundle
54 million downloads (48K per day) • 1,409 OSS projects depend on it
Provides a tight integration of the Security component into the Symfony full-stack framework
Lock
26 million downloads (44K per day) • 240 OSS projects depend on it
Creates and manages locks, a mechanism to provide exclusive access to a shared resource
Form
53 million downloads (43K per day) • 2,600 OSS projects depend on it
Allows to easily create, process and reuse HTML forms
PasswordHasher
17 million downloads (41K per day) • 28 OSS projects depend on it
Provides password hashing utilities
WebProfiler Bundle
49 million downloads (41K per day) • 678 OSS projects depend on it
Provides a development tool that gives detailed information about the execution of any request
Maker Bundle
37 million downloads (34K per day) • 458 OSS projects depend on it
Symfony Maker helps you create empty commands, controllers, form classes, tests and more so you can forget about writing boilerplate code.
Guard
42 million downloads (33K per day) • 51 OSS projects depend on it
Symfony Security Component - Guard
Debug Bundle
35 million downloads (32K per day) • 596 OSS projects depend on it
Provides a tight integration of the Symfony VarDumper component and the ServerLogCommand from MonologBridge into the Symfony full-stack framework
Messenger
25 million downloads (32K per day) • 465 OSS projects depend on it
Helps applications send and receive messages to/from other applications or via message queues
This component is backed by SensioLabs
As the creator of Symfony, SensioLabs supports companies using Symfony, with an offering encompassing consultancy, expertise, services, training, and technical assistance to ensure the success of web application development projects.
Inflector
DEPRECATED Don't use this component in new applications.
Converts words between their singular and plural forms (English only)
WebLink
29 million downloads (27K per day) • 194 OSS projects depend on it
Manages links between resources
Doctrine Messenger
14 million downloads (23K per day) • 34 OSS projects depend on it
Symfony Doctrine Messenger Bridge
AMQP Messenger
14 million downloads (23K per day) • 16 OSS projects depend on it
Symfony AMQP extension Messenger Bridge
Templating
29 million downloads (21K per day) • 662 OSS projects depend on it
Provides all the tools needed to build any kind of template system
Redis Messenger
13 million downloads (19K per day) • 8 OSS projects depend on it
Symfony Redis extension Messenger Bridge
Runtime
8 million downloads (19K per day) • 143 OSS projects depend on it
Enables decoupling PHP applications from global state
Polyfill APCu
59 million downloads (18K per day) • 186 OSS projects depend on it
Symfony polyfill backporting apcu_* functions to lower PHP versions
WebpackEncore Bundle
18 million downloads (17K per day) • 266 OSS projects depend on it
Integration with your Symfony app & Webpack Encore!
Contracts
43 million downloads (16K per day) • 82 OSS projects depend on it
A set of abstractions extracted out of the Symfony components
Uid
8 million downloads (15K per day) • 187 OSS projects depend on it
Provides an object-oriented API to generate and represent UIDs
Polyfill Util
112 million downloads (15K per day) • 5 OSS projects depend on it
Symfony utilities for portability of PHP codes
Workflow
11 million downloads (14K per day) • 128 OSS projects depend on it
Provides tools for managing a workflow or finite state machine
This component is backed by ZEturf
The ZEturf group is an online gaming operator licensed in 6 markets in Europe and Africa. It operates two brands, ZEturf on horse racing betting, and ZEbet on sports betting. In parallel with the development of its betting activities, the group is also investing in Entertainment / gaming with Free-to-Play and Play-to-Earn projects.
RateLimiter
4 million downloads (14K per day) • 34 OSS projects depend on it
Provides a Token Bucket implementation to rate limit input and output in your application
Notifier
8 million downloads (11K per day) • 182 OSS projects depend on it
Sends notifications via one or more channels (email, SMS, ...)
This component is backed by Mercure.rocks
Create real-time experiences in minutes! Mercure.rocks provides a realtime API service that is tightly integrated with Symfony: create UIs that update in live with UX Turbo, send notifications with the Notifier component, expose async APIs with API Platform and create low level stuffs with the Mercure component. We maintain and scale the complex infrastructure for you!
ClassLoader
52 million downloads (8K per day) • 472 OSS projects depend on it
Symfony ClassLoader Component
ORM Pack
25 million downloads (7K per day) • 433 OSS projects depend on it
A pack for the Doctrine ORM
Security
18 million downloads (7K per day) • 583 OSS projects depend on it
Provides a complete security system for your web application
This component is backed by SymfonyCasts
Learn Symfony faster by watching real projects being built and actively coding along with them. SymfonyCasts bridges that learning gap, bringing you video tutorials and coding challenges. Code on!
Apache Pack
8 million downloads (7K per day) • 54 OSS projects depend on it
A pack for Apache support in Symfony
Mailgun Bridge
2 million downloads (6K per day) • 24 OSS projects depend on it
Symfony Mailgun Mailer Bridge
Serializer Pack
17 million downloads (6K per day) • 191 OSS projects depend on it
A pack for the Symfony serializer
Profiler Pack
23 million downloads (5K per day) • 184 OSS projects depend on it
A pack for the Symfony web profiler
Postmark Bridge
722K downloads (5K per day) • 10 OSS projects depend on it
Symfony Postmark Mailer Bridge
WebServer Bundle
12 million downloads (4K per day) • 333 OSS projects depend on it
Provides commands for running applications using the PHP built-in web server
Polyfill PHP 5.5
28 million downloads (4K per day) • 11 OSS projects depend on it
Symfony polyfill backporting some PHP 5.5+ features to lower PHP versions
Amazon SQS Messenger
1 million downloads (4K per day) • 4 OSS projects depend on it
Symfony Amazon SQS extension Messenger Bridge
Polyfill PHP 5.4
27 million downloads (3K per day) • 5 OSS projects depend on it
Symfony polyfill backporting some PHP 5.4+ features to lower PHP versions
Panther
4 million downloads (3K per day) • 55 OSS projects depend on it
A browser testing and web scraping library for PHP and Symfony.
Amazon SES Bridge
2 million downloads (3K per day) • 16 OSS projects depend on it
Symfony Amazon Mailer Bridge
TestPack
12 million downloads (3K per day) • 247 OSS projects depend on it
A pack for functional and end-to-end testing within a Symfony app
This component is backed by Endava
Endava is reimagining the relationship between people and technology. By leveraging next-generation technologies, our agile, multi-disciplinary teams provide a combination of Product & Technology Strategies, Intelligent Experiences, and World Class Engineering to help our clients become more engaging, responsive, and efficient.
Debug Pack
13 million downloads (3K per day) • 156 OSS projects depend on it
A debug pack for Symfony projects
Twig Pack
6 million downloads (2K per day) • 65 OSS projects depend on it
A Twig pack for Symfony projects
Polyfill Intl MessageFormatter
1 million downloads (2K per day) • 15 OSS projects depend on it
Symfony polyfill for intl's MessageFormatter class and related functions
Sendgrid Bridge
2 million downloads (2K per day) • 11 OSS projects depend on it
Symfony Sendgrid Mailer Bridge
Mercure Bundle
3 million downloads (2K per day) • 22 OSS projects depend on it
Symfony MercureBundle
Mailchimp Bridge
919K downloads (2K per day) • 11 OSS projects depend on it
Symfony Mailchimp Mailer Bridge
Ldap
2 million downloads (2K per day) • 44 OSS projects depend on it
Provides a LDAP client for PHP on top of PHP's ldap extension
Polyfill PHP 7.4
2 million downloads (1K per day) • 20 OSS projects depend on it
Symfony polyfill backporting some PHP 7.4+ features to lower PHP versions
Google Gmail Bridge
1 million downloads (1K per day) • 23 OSS projects depend on it
Symfony Google Mailer Bridge
Slack Notifier
680K downloads (1K per day) • 4 OSS projects depend on it
Symfony Slack Notifier Bridge
ICU
DEPRECATED Don't use this component in new applications.
Contains an excerpt of the ICU data and classes to load it.
HTML Sanitizer
43K downloads • 9 OSS projects depend on it
Provides an object-oriented API to sanitize untrusted HTML input for safe insertion into a document's DOM.
Polyfill PHP 8.2
6K downloads • 7 OSS projects depend on it
Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions
Fake SMS Notifier
106K downloads • 1 OSS project depend on it
Fake SMS (as email or log during development) Notifier Bridge.
Loco Translation Provider
86K downloads • 1 OSS project depend on it
Symfony Loco Translation Provider Bridge
Polyfill PHP 7.1
738K downloads • 20 OSS projects depend on it
Symfony polyfill backporting some PHP 7.1+ features to lower PHP versions
Polyfill XML
DEPRECATED Don't use this component in new applications.
Symfony polyfill for xml's utf8_encode and utf8_decode functions
OhMySMTP Bridge
DEPRECATED Don't use this component in new applications.
Symfony OhMySMTP Mailer Bridge
AMQP Pack
512K downloads • 2 OSS projects depend on it
A pack for using the AMQP transport with Symfony Messenger
Microsoft Teams Notifier
29K downloads • 2 OSS projects depend on it
Symfony Microsoft Teams Notifier Bridge
Beanstalkd Messenger
34K downloads • 2 OSS projects depend on it
Symfony Beanstalkd Messenger Bridge
WebpackEncore Pack
DEPRECATED Don't use this component in new applications.
A pack for Symfony Encore
Symfony UX Turbo Mercure
44K downloads • 1 OSS project depend on it
Mercure bridge for Symfony UX Turbo
Annotations Pack
DEPRECATED Don't use this component in new applications.
A pack for the Doctrine annotations with cache
Fake Chat Notifier
5K downloads • 1 OSS project depend on it
Fake Chat (as email or log during development) Notifier Bridge.
Nexmo Notifier
DEPRECATED Don't use this component in new applications.
Symfony Nexmo Notifier Bridge