PHPackages infection/infection - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [Testing & Quality](/categories/testing) 4. / 5. infection/infection ActiveLibrary[Testing & Quality](/categories/testing) infection/infection =================== Infection is a Mutation Testing framework for PHP. The mutation adequacy score can be used to measure the effectiveness of a test set in terms of its ability to detect faults. 0.32.6(2mo ago)2.2k26.2M—3.8%183[166 issues](https://github.com/infection/infection/issues)[42 PRs](https://github.com/infection/infection/pulls)20BSD-3-ClausePHPPHP ^8.2CI passing Since Jul 1Pushed today29 watchersCompare [ Source](https://github.com/infection/infection)[ Packagist](https://packagist.org/packages/infection/infection)[ GitHub Sponsors](https://github.com/infection)[ Fund](https://opencollective.com/infection)[ RSS](/packages/infection-infection/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (10)Dependencies (80)Versions (224)Used By (20) [![Minimum PHP version: 8.3.0](https://camo.githubusercontent.com/f934d7fe7e76e458d3e81ffa9653e7373057016c68af15cd3e1ec27c28772b8e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f7068702d382e332e302532422d626c75652e737667)](https://packagist.org/packages/infection/infection)[![Latest Stable Version](https://camo.githubusercontent.com/dff4551b7d97d4736b7a9e706f0f62f85c69709143a15d264a3fe74517ee8c18/68747470733a2f2f706f7365722e707567782e6f72672f696e66656374696f6e2f696e66656374696f6e2f762f737461626c65)](https://packagist.org/packages/infection/infection)[![Unit & Integration Tests](https://github.com/infection/infection/actions/workflows/tests.yaml/badge.svg)](https://github.com/infection/infection/actions/workflows/tests.yaml)[![Infection MSI](https://camo.githubusercontent.com/d8bd1de584d101a4426b74482d68a569321d255bc749a8186b1903abf94dd15c/68747470733a2f2f696d672e736869656c64732e696f2f656e64706f696e743f75726c3d687474707325334125324625324662616467652d6170692e737472796b65722d6d757461746f722e696f2532466769746875622e636f6d253246696e66656374696f6e253246696e66656374696f6e2532466d6173746572)](https://infection.github.io)[![StandWithUkraine](https://raw.githubusercontent.com/vshymanskyy/StandWithUkraine/main/badges/StandWithUkraine.svg)](https://github.com/vshymanskyy/StandWithUkraine/) Infection - Mutation Testing framework ====================================== [](#infection---mutation-testing-framework) Please read documentation here: [infection.github.io](http://infection.github.io) - Twitter: [@infection\_php](http://twitter.com/infection_php) - Mastodon: [@infection\_php](https://mastodon.social/@infection_php) - Discord: - [Playground](https://infection-php.dev/) - try it right in your browser! ### Contributing [](#contributing) Infection is an open source project that welcomes pull requests and issues from anyone. Before opening pull requests, please consider reading our short [Contribution Guide](.github/CONTRIBUTING.md). ### Sponsors [](#sponsors) Want your logo here? [Learn more »](https://infection.github.io/guide/github-sponsors.html) #### Companies [](#companies) [![](https://camo.githubusercontent.com/0b501c68a7c5932da29da278da9e0cc68bcd73339260a227edc539aee3fb8d7f/68747470733a2f2f6173736574732e746573746d752e61692f7265736f75726365732f696d616765732f6c6f676f732f626c61636b2d6c6f676f2e706e67)](https://www.testmuai.com/?utm_medium=sponsor&utm_source=infection)[![](https://avatars.githubusercontent.com/u/37436231?s=200&v=4)](https://github.com/wwwoda)[![](https://github.com/enrise/.github/raw/master/images/logo.png?raw=true)](https://github.com/Enrise)[![](https://camo.githubusercontent.com/4c4fc477ad4dd30bbd17f8c797cd97a7cf6aa2dcad20872973e70bc31ac03f15/68747470733a2f2f7265736f75726365732e6a6574627261696e732e636f6d2f73746f726167652f70726f64756374732f636f6d70616e792f6272616e642f6c6f676f732f6a6574627261696e732e706e67 "JetBrains - free licenses for core developers")](https://jetbrains.com)[![](doc/assets/sentry.png)](https://sentry.io)[![](doc/assets/tideways-logo.png)](https://tideways.com) #### Individuals [](#individuals) The full list of awesome Infection sponsors is here: ### Credits [](#credits) This project is highly inspired from Pádraic Brady ([@padraic](https://github.com/padraic))'s [Humbug library](https://github.com/humbug/humbug). Humbug has since then been discontinued in favour of this project. ### Health Score 81 — ExcellentBetter than 100% of packages Maintenance91 Actively maintained with recent releases Popularity76 Solid adoption and visibility Community64 Healthy contributor diversity Maturity85 Battle-tested with a long release history Bus Factor2 2 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~16 days Recently: every ~11 days Total 190 Last Release 81d ago PHP version history (11 changes)0.1.0PHP ^7.0 0.10.0-beta.1PHP ^7.1 0.12.0PHP ^7.1.3 0.14.0PHP ^7.2.9 0.16.0-rc.1PHP ^7.3 0.18.2PHP ^7.3 || ^8.0 0.19.0PHP ^7.4 || ^8.0 0.22.0PHP ^7.4.7 || ^8.0 0.26.7PHP ^8.0 0.26.20PHP ^8.1 0.29.10PHP ^8.2 ### Community Maintainers ![](https://www.gravatar.com/avatar/8cabc9efd157e2b47aa5aa9830180f5ebd07813cc3e93ff1a9993b2c3d264909?d=identicon)[localheinz](/maintainers/localheinz) ![](https://www.gravatar.com/avatar/edcb8dde95c71b1c97c3c91e57d3548795fa2014c657744fb878e2be3b5949fc?d=identicon)[sanmai](/maintainers/sanmai) ![](https://www.gravatar.com/avatar/a0196ce472ed16a55b72aa7f9f9956bc6e68fa519abf975caffc9fcb5fa320df?d=identicon)[borN\_free](/maintainers/borN_free) 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commits)")[![romm](https://avatars.githubusercontent.com/u/6342901?v=4)](https://github.com/romm "romm (6 commits)")[![Landerstraeten](https://avatars.githubusercontent.com/u/5587595?v=4)](https://github.com/Landerstraeten "Landerstraeten (5 commits)")[![johnstevenson](https://avatars.githubusercontent.com/u/881777?v=4)](https://github.com/johnstevenson "johnstevenson (5 commits)")[![MidnightDesign](https://avatars.githubusercontent.com/u/743172?v=4)](https://github.com/MidnightDesign "MidnightDesign (5 commits)")[![sasezaki](https://avatars.githubusercontent.com/u/42755?v=4)](https://github.com/sasezaki "sasezaki (4 commits)")[![Copilot](https://avatars.githubusercontent.com/in/1143301?v=4)](https://github.com/Copilot "Copilot (4 commits)")[![duncan3dc](https://avatars.githubusercontent.com/u/546811?v=4)](https://github.com/duncan3dc "duncan3dc (4 commits)")[![siad007](https://avatars.githubusercontent.com/u/2149445?v=4)](https://github.com/siad007 "siad007 (4 commits)") --- Tags astcoverageinfectionmutantmutationmutation-analysismutation-testingphptest-frameworktestingtestingunit testingcoveragemutation testingmutantmutation framework ### Code Quality TestsPHPUnit Static AnalysisPHPStan, Rector Type Coverage Yes ### Embed Badge ![Health badge](/badges/infection-infection/health.svg) ``` [![Health](https://phpackages.com/badges/infection-infection/health.svg)](https://phpackages.com/packages/infection-infection) ``` ### Alternatives [vimeo/psalm A static analysis tool for finding errors in PHP applications 5.8k77.5M6.7k](/packages/vimeo-psalm)[laravel/framework The Laravel Framework. 34.7k509.9M17.0k](/packages/laravel-framework)[phpbench/phpbench PHP Benchmarking Framework 2.0k13.0M627](/packages/phpbench-phpbench)[behat/behat Scenario-oriented BDD framework for PHP 4.0k96.8M2.0k](/packages/behat-behat)[drupal/core Drupal is an open source content management platform powering millions of websites and applications. 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