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
515 million downloads (585K per day) • 345 OSS projects depend on it
Symfony polyfill for the Mbstring extension
Console
470 million downloads (575K per day) • 9,409 OSS projects depend on it
Eases the creation of beautiful and testable command line interfaces
Polyfill PHP 8.0
232 million downloads (558K per day) • 431 OSS projects depend on it
Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions
Polyfill Intl Normalizer
227 million downloads (550K per day) • 19 OSS projects depend on it
Symfony polyfill for intl's Normalizer class and related functions
Polyfill Ctype
395 million downloads (541K per day) • 85 OSS projects depend on it
Symfony polyfill for ctype functions
Service Contracts
268 million downloads (519K per day) • 93 OSS projects depend on it
Generic abstractions related to writing services
DeprecationContracts
198 million downloads (504K per day) • 169 OSS projects depend on it
A generic function and convention to trigger deprecation notices
EventDispatcher Contracts
228 million downloads (463K per day) • 177 OSS projects depend on it
Generic abstractions related to dispatching event
Process
408 million downloads (442K per day) • 4,258 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.
EventDispatcher
429 million downloads (438K per day) • 2,710 OSS projects depend on it
Provides tools that allow your application components to communicate with each other by dispatching events and listening to them
VarDumper
328 million downloads (432K per day) • 5,465 OSS projects depend on it
Provides mechanisms for walking through any arbitrary PHP variable
Polyfill Intl IDN
261 million downloads (428K per day) • 39 OSS projects depend on it
Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
Polyfill PHP 7.3
260 million downloads (428K per day) • 81 OSS projects depend on it
Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions
Finder
422 million downloads (425K per day) • 3,377 OSS projects depend on it
Finds files and directories via an intuitive fluent interface
String
167 million downloads (421K per day) • 341 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
HttpFoundation
356 million downloads (421K per day) • 4,083 OSS projects depend on it
Defines an object-oriented layer for the HTTP specification
Polyfill PHP 7.2
300 million downloads (394K per day) • 42 OSS projects depend on it
Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
Polyfill Intl Grapheme
166 million downloads (390K per day) • 7 OSS projects depend on it
Symfony polyfill for intl's grapheme_* functions
Filesystem
280 million downloads (371K per day) • 2,532 OSS projects depend on it
Provides basic utilities for the filesystem
HttpKernel
331 million downloads (370K per day) • 4,759 OSS projects depend on it
Provides a structured process for converting a Request into a Response
Translation Contracts
203 million downloads (368K per day) • 162 OSS projects depend on it
Generic abstractions related to translation
CssSelector
308 million downloads (363K per day) • 2,180 OSS projects depend on it
Converts CSS selectors to XPath expressions
Translation
348 million downloads (351K per day) • 1,596 OSS projects depend on it
Provides tools to internationalize your application
Yaml
323 million downloads (349K per day) • 8,119 OSS projects depend on it
Loads and dumps YAML files
Mime
198 million downloads (344K per day) • 378 OSS projects depend on it
Allows manipulating MIME messages
Routing
317 million downloads (340K per day) • 1,248 OSS projects depend on it
Maps an HTTP request to a set of configuration variables
Polyfill PHP 8.1
84 million downloads (328K per day) • 98 OSS projects depend on it
Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions
ErrorHandler
177 million downloads (323K per day) • 241 OSS projects depend on it
Provides tools to manage errors and ease debugging PHP code
OptionsResolver
167 million downloads (263K per day) • 1,394 OSS projects depend on it
Provides an improved replacement for the array_replace PHP function
Config
185 million downloads (238K per day) • 4,962 OSS projects depend on it
Helps you find, load, combine, autofill and validate configuration values of any kind
HttpClient Contracts
131 million downloads (214K per day) • 72 OSS projects depend on it
Generic abstractions related to HTTP clients
Stopwatch
131 million downloads (210K per day) • 674 OSS projects depend on it
Provides a way to profile code
Polyfill Iconv
170 million downloads (206K per day) • 54 OSS projects depend on it
Symfony polyfill for the Iconv extension
DependencyInjection
165 million downloads (200K per day) • 5,422 OSS projects depend on it
Allows you to standardize and centralize the way objects are constructed in your application
VarExporter
91 million downloads (171K per day) • 152 OSS projects depend on it
Allows exporting any serializable PHP data structure to plain PHP code
Debug
DEPRECATED Don't use this component in new applications.
Provides tools to ease debugging PHP code
DomCrawler
168 million downloads (160K per day) • 1,956 OSS projects depend on it
Eases DOM navigation for HTML and XML documents
PropertyAccess
99 million downloads (155K per day) • 1,607 OSS projects depend on it
Provides functions to read and write from/to an object or array using a simple string notation
Cache
103 million downloads (155K per day) • 1,370 OSS projects depend on it
Provides an extended PSR-6, PSR-16 (and tags) implementation
Serializer
97 million downloads (152K per day) • 1,648 OSS projects depend on it
Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.
Cache Contracts
77 million downloads (149K per day) • 42 OSS projects depend on it
Generic abstractions related to caching
PropertyInfo
67 million downloads (146K per day) • 486 OSS projects depend on it
Extracts information about PHP class' properties using metadata of popular sources
Validator
97 million downloads (146K per day) • 2,790 OSS projects depend on it
Provides tools to validate values
HttpClient
70 million downloads (144K per day) • 1,235 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.
BrowserKit
116 million downloads (131K per day) • 2,076 OSS projects depend on it
Simulates the behavior of a web browser, allowing you to make requests, click on links and submit forms programmatically
Framework Bundle
74 million downloads (129K per day) • 9,054 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
67 million downloads (128K per day) • 1,652 OSS projects depend on it
Registers environment variables from a .env file
Polyfill UUID
45 million downloads (115K per day) • 38 OSS projects depend on it
Symfony polyfill for uuid functions
Twig Bundle
60 million downloads (110K per day) • 1,888 OSS projects depend on it
Provides a tight integration of Twig into the Symfony full-stack framework
Twig Bridge
70 million downloads (110K per day) • 617 OSS projects depend on it
Provides integration for Twig with various Symfony components
Monolog Bundle
111 million downloads (109K per day) • 1,742 OSS projects depend on it
Symfony MonologBundle
ExpressionLanguage
66 million downloads (105K per day) • 1,181 OSS projects depend on it
Provides an engine that can compile and evaluate expressions
Symfony Flex
59 million downloads (99K per day) • 666 OSS projects depend on it
Composer plugin for Symfony
Monolog Bridge
58 million downloads (99K per day) • 214 OSS projects depend on it
Provides integration for Monolog with various Symfony components
PHPUnit Bridge
79 million downloads (98K per day) • 3,655 OSS projects depend on it
Provides utilities for PHPUnit, especially user deprecation notices management
Security Bundle
52 million downloads (95K per day) • 1,389 OSS projects depend on it
Provides a tight integration of the Security component into the Symfony full-stack framework
Asset
54 million downloads (95K per day) • 765 OSS projects depend on it
Manages URL generation and versioning of web assets such as CSS stylesheets, JavaScript files and image files
Polyfill Intl ICU
109 million downloads (94K per day) • 51 OSS projects depend on it
Symfony polyfill for intl's ICU-related data and classes
Form
51 million downloads (82K per day) • 2,582 OSS projects depend on it
Allows to easily create, process and reuse HTML forms
Intl
70 million downloads (81K per day) • 736 OSS projects depend on it
Provides a PHP replacement layer for the C intl extension that includes additional data from the ICU library
Doctrine Brdige
57 million downloads (79K per day) • 359 OSS projects depend on it
Provides integration for Doctrine with various Symfony components
PasswordHasher
15 million downloads (74K per day) • 29 OSS projects depend on it
Provides password hashing utilities
Polyfill PHP 5.6
133 million downloads (70K per day) • 33 OSS projects depend on it
Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions
WebProfiler Bundle
47 million downloads (66K per day) • 669 OSS projects depend on it
Provides a development tool that gives detailed information about the execution of any request
Polyfill PHP 7.0
153 million downloads (65K per day) • 55 OSS projects depend on it
Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions
Messenger
23 million downloads (58K per day) • 456 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.
Maker Bundle
35 million downloads (58K per day) • 450 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.
Lock
25 million downloads (55K per day) • 237 OSS projects depend on it
Creates and manages locks, a mechanism to provide exclusive access to a shared resource
Guard
40 million downloads (55K per day) • 52 OSS projects depend on it
Symfony Security Component - Guard
WebLink
28 million downloads (54K per day) • 193 OSS projects depend on it
Manages links between resources
Debug Bundle
34 million downloads (48K per day) • 587 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
AMQP Messenger
13 million downloads (47K per day) • 16 OSS projects depend on it
Symfony AMQP extension Messenger Bridge
Inflector
DEPRECATED Don't use this component in new applications.
Converts words between their singular and plural forms (English only)
Redis Messenger
12 million downloads (39K per day) • 7 OSS projects depend on it
Symfony Redis extension Messenger Bridge
Doctrine Messenger
13 million downloads (34K per day) • 32 OSS projects depend on it
Symfony Doctrine Messenger Bridge
WebpackEncore Bundle
18 million downloads (34K per day) • 257 OSS projects depend on it
Integration with your Symfony app & Webpack Encore!
Uid
7 million downloads (30K per day) • 183 OSS projects depend on it
Provides an object-oriented API to generate and represent UIDs
Templating
28 million downloads (30K per day) • 659 OSS projects depend on it
Provides all the tools needed to build any kind of template system
Runtime
7 million downloads (28K per day) • 139 OSS projects depend on it
Enables decoupling PHP applications from global state
Contracts
43 million downloads (26K per day) • 82 OSS projects depend on it
A set of abstractions extracted out of the Symfony components
Workflow
11 million downloads (26K per day) • 131 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.
Polyfill APCu
59 million downloads (23K per day) • 186 OSS projects depend on it
Symfony polyfill backporting apcu_* functions to lower PHP versions
Polyfill Util
111 million downloads (23K per day) • 5 OSS projects depend on it
Symfony utilities for portability of PHP codes
Notifier
8 million downloads (22K per day) • 173 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!
RateLimiter
3 million downloads (13K per day) • 32 OSS projects depend on it
Provides a Token Bucket implementation to rate limit input and output in your application
ORM Pack
24 million downloads (13K per day) • 430 OSS projects depend on it
A pack for the Doctrine ORM
Apache Pack
8 million downloads (13K per day) • 53 OSS projects depend on it
A pack for Apache support in Symfony
ClassLoader
52 million downloads (11K per day) • 473 OSS projects depend on it
Symfony ClassLoader Component
Security
18 million downloads (10K per day) • 592 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!
Serializer Pack
17 million downloads (9K per day) • 186 OSS projects depend on it
A pack for the Symfony serializer
Profiler Pack
22 million downloads (8K per day) • 184 OSS projects depend on it
A pack for the Symfony web profiler
WebServer Bundle
12 million downloads (7K per day) • 332 OSS projects depend on it
Provides commands for running applications using the PHP built-in web server
Mailgun Bridge
2 million downloads (6K per day) • 23 OSS projects depend on it
Symfony Mailgun Mailer Bridge
Polyfill PHP 5.5
28 million downloads (6K 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 (5K per day) • 4 OSS projects depend on it
Symfony Amazon SQS extension Messenger Bridge
TestPack
12 million downloads (5K per day) • 244 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.
Sendgrid Bridge
2 million downloads (5K per day) • 11 OSS projects depend on it
Symfony Sendgrid Mailer Bridge
Panther
4 million downloads (5K per day) • 53 OSS projects depend on it
A browser testing and web scraping library for PHP and Symfony.
Amazon SES Bridge
2 million downloads (5K per day) • 15 OSS projects depend on it
Symfony Amazon Mailer Bridge
Polyfill PHP 5.4
27 million downloads (4K per day) • 5 OSS projects depend on it
Symfony polyfill backporting some PHP 5.4+ features to lower PHP versions
Mercure Bundle
3 million downloads (4K per day) • 21 OSS projects depend on it
Symfony MercureBundle
Debug Pack
13 million downloads (4K per day) • 159 OSS projects depend on it
A debug pack for Symfony projects
Twig Pack
6 million downloads (4K per day) • 66 OSS projects depend on it
A Twig pack for Symfony projects
Postmark Bridge
585K downloads (3K per day) • 10 OSS projects depend on it
Symfony Postmark Mailer Bridge
Ldap
2 million downloads (3K per day) • 44 OSS projects depend on it
Provides a LDAP client for PHP on top of PHP's ldap extension
Google Gmail Bridge
1 million downloads (2K per day) • 23 OSS projects depend on it
Symfony Google Mailer Bridge
Mailchimp Bridge
841K downloads (2K per day) • 11 OSS projects depend on it
Symfony Mailchimp Mailer Bridge
Slack Notifier
618K downloads (2K per day) • 3 OSS projects depend on it
Symfony Slack Notifier Bridge
Mailjet Bridge
394K downloads (2K per day) • 6 OSS projects depend on it
Symfony Mailjet Mailer Bridge
Polyfill Intl MessageFormatter
885K downloads (2K per day) • 15 OSS projects depend on it
Symfony polyfill for intl's MessageFormatter class and related functions
Polyfill PHP 7.4
1 million downloads (1K per day) • 18 OSS projects depend on it
Symfony polyfill backporting some PHP 7.4+ features to lower PHP versions
ICU
DEPRECATED Don't use this component in new applications.
Contains an excerpt of the ICU data and classes to load it.
Fake SMS Notifier
95K downloads • 1 OSS project depend on it
Fake SMS (as email or log during development) Notifier Bridge.
HTML Sanitizer
20K downloads • 5 OSS projects depend on it
Provides an object-oriented API to sanitize untrusted HTML input for safe insertion into a document's DOM.
Loco Translation Provider
74K downloads • 1 OSS project depend on it
Symfony Loco Translation Provider Bridge
Symfony UX Turbo Mercure
39K downloads • 1 OSS project depend on it
Mercure bridge for Symfony UX Turbo
Symfony UX Dropzone
81K downloads • 1 OSS project depend on it
File input dropzones for Symfony Forms
Polyfill PHP 7.1
733K downloads • 20 OSS projects depend on it
Symfony polyfill backporting some PHP 7.1+ features to lower PHP versions
Microsoft Teams Notifier
24K downloads • 2 OSS projects depend on it
Symfony Microsoft Teams Notifier Bridge
AMQP Pack
506K downloads • 2 OSS projects depend on it
A pack for using the AMQP transport with Symfony Messenger
Polyfill XML
DEPRECATED Don't use this component in new applications.
Symfony polyfill for xml's utf8_encode and utf8_decode functions
Polyfill PHP 8.2
400 downloads • 1 OSS project depend on it
Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions
OhMySMTP Bridge
DEPRECATED Don't use this component in new applications.
Symfony OhMySMTP Mailer Bridge
Annotations Pack
DEPRECATED Don't use this component in new applications.
A pack for the Doctrine annotations with cache
WebpackEncore Pack
DEPRECATED Don't use this component in new applications.
A pack for Symfony Encore
Nexmo Notifier
DEPRECATED Don't use this component in new applications.
Symfony Nexmo Notifier Bridge
Fake Chat Notifier
4K downloads • 1 OSS project depend on it
Fake Chat (as email or log during development) Notifier Bridge.