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symfony/src/Symfony/Contracts
Nicolas Grekas 55c0b02587 Merge branch '4.3' into 4.4
* 4.3: (34 commits)
  [PhpunitBridge] Read environment variable from superglobals
  [Bridge/PhpUnit] Fix PHP5.5 compat
  [PhpUnitBridge] More accurate grouping
  fixed CS
  Extract unrecoverable exception to interface
  [FrameworkBundle] Fix calling Client::getProfile() before sending a request
  Fix type error
  [Security/Core] require libsodium >= 1.0.14
  [Workflow] re-add workflow.definition tag to workflow services
  [Security/Core] Don't use ParagonIE_Sodium_Compat
  revert #30525 due to performance penalty
  collect called listeners information only once
  [Lock] fix missing inherit docs in RedisStore
  [Messenger] fix retrying handlers using DoctrineTransactionMiddleware
  [Mailgun Mailer] fixed issue when using html body
  [HttpClient] fix timing measurements with NativeHttpClient
  [HttpClient] fix dealing with 1xx informational responses
  add test to avoid regressions
  fix mirroring directory into parent directory
  fix typos
  ...
2019-06-26 11:30:56 +02:00
..
Cache Merge branch '4.3' into 4.4 2019-06-13 13:05:05 +02:00
EventDispatcher Revert "minor #32054 Prepare for PHP 7.4 preload (nicolas-grekas)" 2019-06-20 08:42:33 +02:00
HttpClient Merge branch '4.3' into 4.4 2019-06-26 11:30:56 +02:00
Service Merge branch '4.3' into 4.4 2019-06-13 13:05:05 +02:00
Tests fix tests 2019-05-28 11:19:25 +02:00
Translation Merge branch '4.3' into 4.4 2019-06-13 13:05:05 +02:00
.gitignore renamed Contract to Contracts 2018-07-13 19:06:58 +02:00
CHANGELOG.md [Contracts][EventDispatcher] move the Event class to symfony/contracts 2019-03-29 19:47:03 +01:00
composer.json Merge branch '4.3' into 4.4 2019-06-13 13:05:05 +02:00
LICENSE update years in license files 2019-01-03 10:09:06 +01:00
phpunit.xml.dist fix tests 2019-05-28 11:19:25 +02:00
README.md [Contracts] split in one package per sub-contracts 2019-05-22 14:23:29 +02:00

Symfony Contracts

A set of abstractions extracted out of the Symfony components.

Can be used to build on semantics that the Symfony components proved useful - and that already have battle tested implementations.

Design Principles

  • contracts are split by domain, each into their own sub-namespaces;
  • contracts are small and consistent sets of PHP interfaces, traits, normative docblocks and reference test suites when applicable, ...;
  • all contracts must have a proven implementation to enter this repository;
  • they must be backward compatible with existing Symfony components.

Packages that implement specific contracts should list them in the "provide" section of their "composer.json" file, using the symfony/*-implementation convention (e.g. "provide": { "symfony/cache-implementation": "1.0" }).

FAQ

How to use this package?

The abstractions in this package are useful to achieve loose coupling and interoperability. By using the provided interfaces as type hints, you are able to reuse any implementations that match their contracts. It could be a Symfony component, or another one provided by the PHP community at large.

Depending on their semantics, some interfaces can be combined with autowiring to seamlessly inject a service in your classes.

Others might be useful as labeling interfaces, to hint about a specific behavior that could be enabled when using autoconfiguration or manual service tagging (or any other means provided by your framework.)

How is this different from PHP-FIG's PSRs?

When applicable, the provided contracts are built on top of PHP-FIG's PSRs. But the group has different goals and different processes. Here, we're focusing on providing abstractions that are useful on their own while still compatible with implementations provided by Symfony. Although not the main target, we hope that the declared contracts will directly or indirectly contribute to the PHP-FIG.

Resources