forked from https://github.com/symfony/symfony
8375eeef67
This PR was merged into the 4.4 branch.
Discussion
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[DependencyInjection] Improve performances in CircualReference detection
| Q | A
| ------------- | ---
| Branch? | 4.4
| Bug fix? | yes
| New feature? | no
| Deprecations? | no
| Tickets | Fix #37850
| License | MIT
| Doc PR | -
This PR change the way circular references are detected. And improve the project submitted in #37850 [by **86%**](https://blackfire.io/profiles/compare/cc4aa41d-5b63-4caa-9a1b-fc282dc5d64a/graph) (Build the container in 1.1 sec instead of 10)
Issue is: When a project contains a lot Circular Reference, the Dumper [spend a lot of time](https://blackfire.io/profiles/54f6eba2-b93c-4f2b-a268-1e58883faecb/graph) in merging those circular references.
note: a circular reference is not an issue when an service is not injected by constructor, but this Can not be known until all references are resolved (performed previously by connectCircularReferences)
This PR removed the connectCircularReferences and generate a flatten tree of dependencies:
- the key is the service ID
- the value is the list of direct **AND** indirect dependency + path to join the dependency
I also [benched the PR with a project with few references](https://blackfire.io/profiles/compare/2f9902e6-3347-40b3-8421-e1fd09c067d2/graph) and result are almost the same before/after.
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| .appveyor.yml | ||
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| .php_cs.dist | ||
| .travis.yml | ||
| CHANGELOG-4.0.md | ||
| CHANGELOG-4.1.md | ||
| CHANGELOG-4.2.md | ||
| CHANGELOG-4.3.md | ||
| CHANGELOG-4.4.md | ||
| CODE_OF_CONDUCT.md | ||
| composer.json | ||
| CONTRIBUTING.md | ||
| CONTRIBUTORS.md | ||
| LICENSE | ||
| link | ||
| phpunit | ||
| phpunit.xml.dist | ||
| README.md | ||
| UPGRADE-4.0.md | ||
| UPGRADE-4.1.md | ||
| UPGRADE-4.2.md | ||
| UPGRADE-4.3.md | ||
| UPGRADE-4.4.md | ||
| UPGRADE-5.0.md | ||
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Symfony is used by thousands of web applications (including BlaBlaCar.com and Spotify.com) and most of the popular PHP projects (including Drupal and Magento).
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