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
554 million downloads (704K per day) • 359 OSS projects depend on it
Symfony polyfill for the Mbstring extension
DeprecationContracts
234 million downloads (658K per day) • 179 OSS projects depend on it
A generic function and convention to trigger deprecation notices
Polyfill Ctype
430 million downloads (630K per day) • 86 OSS projects depend on it
Symfony polyfill for ctype functions
Service Contracts
302 million downloads (612K per day) • 101 OSS projects depend on it
Generic abstractions related to writing services
Console
507 million downloads (593K per day) • 9,533 OSS projects depend on it
Eases the creation of beautiful and testable command line interfaces
Finder
455 million downloads (585K per day) • 3,440 OSS projects depend on it
Finds files and directories via an intuitive fluent interface
Process
440 million downloads (575K per day) • 4,334 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
460 million downloads (574K per day) • 2,756 OSS projects depend on it
Provides tools that allow your application components to communicate with each other by dispatching events and listening to them
EventDispatcher Contracts
257 million downloads (550K per day) • 185 OSS projects depend on it
Generic abstractions related to dispatching event
String
196 million downloads (542K per day) • 348 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
VarDumper
356 million downloads (529K per day) • 5,646 OSS projects depend on it
Provides mechanisms for walking through any arbitrary PHP variable
HttpFoundation
384 million downloads (525K per day) • 4,174 OSS projects depend on it
Defines an object-oriented layer for the HTTP specification
Polyfill PHP 7.2
328 million downloads (521K per day) • 41 OSS projects depend on it
Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
Polyfill Intl Normalizer
263 million downloads (519K per day) • 22 OSS projects depend on it
Symfony polyfill for intl's Normalizer class and related functions
Polyfill PHP 8.0
267 million downloads (514K per day) • 454 OSS projects depend on it
Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions
Polyfill Intl IDN
289 million downloads (512K per day) • 43 OSS projects depend on it
Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
Polyfill Intl Grapheme
194 million downloads (499K per day) • 13 OSS projects depend on it
Symfony polyfill for intl's grapheme_* functions
HttpKernel
357 million downloads (493K per day) • 4,852 OSS projects depend on it
Provides a structured process for converting a Request into a Response
Translation
374 million downloads (491K per day) • 1,613 OSS projects depend on it
Provides tools to internationalize your application
Translation Contracts
229 million downloads (485K per day) • 169 OSS projects depend on it
Generic abstractions related to translation
Polyfill PHP 7.3
286 million downloads (474K per day) • 80 OSS projects depend on it
Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions
Polyfill PHP 8.1
108 million downloads (442K per day) • 115 OSS projects depend on it
Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions
Mime
222 million downloads (441K per day) • 418 OSS projects depend on it
Allows manipulating MIME messages
CssSelector
331 million downloads (420K per day) • 2,214 OSS projects depend on it
Converts CSS selectors to XPath expressions
ErrorHandler
201 million downloads (415K per day) • 259 OSS projects depend on it
Provides tools to manage errors and ease debugging PHP code
Yaml
345 million downloads (406K per day) • 8,221 OSS projects depend on it
Loads and dumps YAML files
Routing
342 million downloads (399K per day) • 1,281 OSS projects depend on it
Maps an HTTP request to a set of configuration variables
Filesystem
303 million downloads (339K per day) • 2,580 OSS projects depend on it
Provides basic utilities for the filesystem
OptionsResolver
185 million downloads (294K per day) • 1,415 OSS projects depend on it
Provides an improved replacement for the array_replace PHP function
HttpClient Contracts
146 million downloads (275K per day) • 73 OSS projects depend on it
Generic abstractions related to HTTP clients
DependencyInjection
179 million downloads (261K per day) • 5,522 OSS projects depend on it
Allows you to standardize and centralize the way objects are constructed in your application
Polyfill Iconv
185 million downloads (246K per day) • 54 OSS projects depend on it
Symfony polyfill for the Iconv extension
VarExporter
102 million downloads (225K per day) • 159 OSS projects depend on it
Allows exporting any serializable PHP data structure to plain PHP code
Config
200 million downloads (218K per day) • 5,068 OSS projects depend on it
Helps you find, load, combine, autofill and validate configuration values of any kind
Cache
114 million downloads (216K per day) • 1,448 OSS projects depend on it
Provides extended PSR-6, PSR-16 (and tags) implementations
Cache Contracts
88 million downloads (206K per day) • 46 OSS projects depend on it
Generic abstractions related to caching
Stopwatch
145 million downloads (205K per day) • 689 OSS projects depend on it
Provides a way to profile code
Serializer
107 million downloads (192K per day) • 1,702 OSS projects depend on it
Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.
DomCrawler
179 million downloads (190K per day) • 1,993 OSS projects depend on it
Eases DOM navigation for HTML and XML documents
Validator
106 million downloads (178K per day) • 2,816 OSS projects depend on it
Provides tools to validate values
HttpClient
81 million downloads (176K per day) • 1,309 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.
Debug
DEPRECATED Don't use this component in new applications.
Provides tools to ease debugging PHP code
BrowserKit
124 million downloads (154K per day) • 2,123 OSS projects depend on it
Simulates the behavior of a web browser, allowing you to make requests, click on links and submit forms programmatically
PropertyAccess
109 million downloads (152K per day) • 1,641 OSS projects depend on it
Provides functions to read and write from/to an object or array using a simple string notation
Polyfill UUID
52 million downloads (147K per day) • 40 OSS projects depend on it
Symfony polyfill for uuid functions
PropertyInfo
76 million downloads (133K per day) • 502 OSS projects depend on it
Extracts information about PHP class' properties using metadata of popular sources
Monolog Bundle
118 million downloads (131K per day) • 1,740 OSS projects depend on it
Symfony MonologBundle
Framework Bundle
82 million downloads (128K per day) • 9,174 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.
Intl
76 million downloads (126K per day) • 758 OSS projects depend on it
Provides a PHP replacement layer for the C intl extension that includes additional data from the ICU library
Twig Bundle
66 million downloads (124K per day) • 1,923 OSS projects depend on it
Provides a tight integration of Twig into the Symfony full-stack framework
PHPUnit Bridge
85 million downloads (123K per day) • 3,728 OSS projects depend on it
Provides utilities for PHPUnit, especially user deprecation notices management
Dotenv
74 million downloads (115K per day) • 1,699 OSS projects depend on it
Registers environment variables from a .env file
Doctrine Bridge
63 million downloads (109K per day) • 360 OSS projects depend on it
Provides integration for Doctrine with various Symfony components
Asset
59 million downloads (106K per day) • 775 OSS projects depend on it
Manages URL generation and versioning of web assets such as CSS stylesheets, JavaScript files and image files
Twig Bridge
77 million downloads (103K per day) • 616 OSS projects depend on it
Provides integration for Twig with various Symfony components
Polyfill Intl ICU
116 million downloads (102K per day) • 54 OSS projects depend on it
Symfony polyfill for intl's ICU-related data and classes
ExpressionLanguage
73 million downloads (101K per day) • 1,197 OSS projects depend on it
Provides an engine that can compile and evaluate expressions
PasswordHasher
20 million downloads (97K per day) • 28 OSS projects depend on it
Provides password hashing utilities
Uid
9 million downloads (94K per day) • 191 OSS projects depend on it
Provides an object-oriented API to generate and represent UIDs
Security Bundle
58 million downloads (88K per day) • 1,412 OSS projects depend on it
Provides a tight integration of the Security component into the Symfony full-stack framework
Symfony Flex
65 million downloads (87K per day) • 681 OSS projects depend on it
Composer plugin for Symfony
Monolog Bridge
64 million downloads (87K per day) • 217 OSS projects depend on it
Provides integration for Monolog with various Symfony components
Form
56 million downloads (86K per day) • 2,605 OSS projects depend on it
Allows to easily create, process and reuse HTML forms
Polyfill PHP 5.6
138 million downloads (84K per day) • 32 OSS projects depend on it
Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions
Debug Bundle
37 million downloads (77K per day) • 606 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
Guard
44 million downloads (72K per day) • 51 OSS projects depend on it
Symfony Security Component - Guard
WebProfiler Bundle
51 million downloads (68K per day) • 693 OSS projects depend on it
Provides a development tool that gives detailed information about the execution of any request
Polyfill PHP 7.0
157 million downloads (68K per day) • 55 OSS projects depend on it
Symfony polyfill backporting some PHP 7.0+ features to lower PHP versions
Lock
29 million downloads (67K per day) • 244 OSS projects depend on it
Creates and manages locks, a mechanism to provide exclusive access to a shared resource
Maker Bundle
39 million downloads (65K per day) • 464 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.
WebLink
31 million downloads (61K per day) • 190 OSS projects depend on it
Manages links between resources
Messenger
27 million downloads (58K per day) • 476 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.
AMQP Messenger
15 million downloads (56K 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)
Doctrine Messenger
16 million downloads (46K per day) • 34 OSS projects depend on it
Symfony Doctrine Messenger Bridge
Redis Messenger
15 million downloads (40K per day) • 8 OSS projects depend on it
Symfony Redis extension Messenger Bridge
WebpackEncore Bundle
20 million downloads (37K per day) • 277 OSS projects depend on it
Integration with your Symfony app & Webpack Encore!
Templating
31 million downloads (32K per day) • 658 OSS projects depend on it
Provides all the tools needed to build any kind of template system
Runtime
9 million downloads (32K per day) • 156 OSS projects depend on it
Enables decoupling PHP applications from global state
Contracts
44 million downloads (29K per day) • 81 OSS projects depend on it
A set of abstractions extracted out of the Symfony components
RateLimiter
5 million downloads (27K per day) • 37 OSS projects depend on it
Provides a Token Bucket implementation to rate limit input and output in your application
Polyfill APCu
60 million downloads (27K per day) • 184 OSS projects depend on it
Symfony polyfill backporting apcu_* functions to lower PHP versions
Workflow
12 million downloads (27K per day) • 129 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.
Notifier
9 million downloads (24K per day) • 180 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!
Polyfill Util
113 million downloads (17K per day) • 5 OSS projects depend on it
Symfony utilities for portability of PHP codes
Apache Pack
9 million downloads (14K per day) • 56 OSS projects depend on it
A pack for Apache support in Symfony
ORM Pack
25 million downloads (12K per day) • 431 OSS projects depend on it
A pack for the Doctrine ORM
Mailgun Bridge
2 million downloads (12K per day) • 27 OSS projects depend on it
Symfony Mailgun Mailer Bridge
Serializer Pack
18 million downloads (11K per day) • 191 OSS projects depend on it
A pack for the Symfony serializer
ClassLoader
53 million downloads (9K per day) • 476 OSS projects depend on it
Symfony ClassLoader Component
Security
19 million downloads (9K per day) • 578 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!
Profiler Pack
23 million downloads (8K per day) • 182 OSS projects depend on it
A pack for the Symfony web profiler
Panther
4 million downloads (7K per day) • 56 OSS projects depend on it
A browser testing and web scraping library for PHP and Symfony.
WebServer Bundle
12 million downloads (6K per day) • 330 OSS projects depend on it
Provides commands for running applications using the PHP built-in web server
Sendgrid Bridge
2 million downloads (6K per day) • 13 OSS projects depend on it
Symfony Sendgrid 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
2 million downloads (6K per day) • 4 OSS projects depend on it
Symfony Amazon SQS extension Messenger Bridge
Polyfill PHP 5.4
27 million downloads (5K 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 (5K per day) • 23 OSS projects depend on it
Symfony MercureBundle
TestPack
13 million downloads (5K per day) • 250 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.
Amazon SES Bridge
2 million downloads (5K per day) • 17 OSS projects depend on it
Symfony Amazon Mailer Bridge
Debug Pack
14 million downloads (5K per day) • 155 OSS projects depend on it
A debug pack for Symfony projects
Postmark Bridge
906K downloads (4K per day) • 12 OSS projects depend on it
Symfony Postmark Mailer Bridge
Twig Pack
6 million downloads (4K per day) • 65 OSS projects depend on it
A Twig pack for Symfony projects
Google Gmail Bridge
1 million downloads (3K per day) • 23 OSS projects depend on it
Symfony Google Mailer Bridge
Mailchimp Bridge
1 million downloads (3K per day) • 14 OSS projects depend on it
Symfony Mailchimp 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
Polyfill Intl MessageFormatter
1 million downloads (2K per day) • 16 OSS projects depend on it
Symfony polyfill for intl's MessageFormatter class and related functions
Slack Notifier
761K downloads (2K per day) • 4 OSS projects depend on it
Symfony Slack Notifier Bridge
Polyfill PHP 7.4
2 million downloads (2K per day) • 20 OSS projects depend on it
Symfony polyfill backporting some PHP 7.4+ features to lower PHP versions
Polyfill PHP 8.2
59K downloads (2K per day) • 9 OSS projects depend on it
Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions
Sendinblue Bridge
245K downloads (2K per day) • 7 OSS projects depend on it
Symfony Sendinblue Mailer Bridge
Mailjet Bridge
504K downloads (2K per day) • 8 OSS projects depend on it
Symfony Mailjet Mailer Bridge
HTML Sanitizer
76K downloads • 11 OSS projects depend on it
Provides an object-oriented API to sanitize untrusted HTML input for safe insertion into a document's DOM.
ICU
DEPRECATED Don't use this component in new applications.
Contains an excerpt of the ICU data and classes to load it.
Loco Translation Provider
104K downloads • 1 OSS project depend on it
Symfony Loco Translation Provider Bridge
Fake SMS Notifier
118K downloads • 1 OSS project depend on it
Fake SMS (as email or log during development) Notifier Bridge.
Polyfill PHP 7.1
745K downloads • 20 OSS projects depend on it
Symfony polyfill backporting some PHP 7.1+ features to lower PHP versions
AMQP Pack
517K downloads • 2 OSS projects depend on it
A pack for using the AMQP transport with Symfony Messenger
Symfony UX Turbo Mercure
47K downloads • 1 OSS project depend on it
Mercure bridge for Symfony UX Turbo
Microsoft Teams Notifier
33K downloads • 1 OSS project depend on it
Symfony Microsoft Teams Notifier Bridge
Beanstalkd Messenger
39K 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
Polyfill XML
DEPRECATED Don't use this component in new applications.
Symfony polyfill for xml's utf8_encode and utf8_decode functions
Annotations Pack
DEPRECATED Don't use this component in new applications.
A pack for the Doctrine annotations with cache
Google Chat Notifier
10K downloads • 2 OSS projects depend on it
Symfony Google Chat Notifier Bridge
OhMySMTP Bridge
DEPRECATED Don't use this component in new applications.
Symfony OhMySMTP Mailer Bridge
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