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[Testing & Quality](/categories/testing) 4. / 5. tetreum/cancerstan ActiveLibrary[Testing & Quality](/categories/testing) tetreum/cancerstan ================== Fix some PHPStan errors automatically v0.3(9mo ago)14MITPHPPHP ^8.2CI passing Since Jul 17Pushed 9mo agoCompare [ Source](https://github.com/tetreum/cancerstan)[ Packagist](https://packagist.org/packages/tetreum/cancerstan)[ RSS](/packages/tetreum-cancerstan/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (3)Dependencies (1)Versions (4)Used By (0) ``` _________ _________ __ \_ ___ \_____ ____ ____ ___________/ _____// |______ ____ / \ \/\__ \ / \_/ ___\/ __ \_ __ \_____ \\ __\__ \ / \ \ \____/ __ \| | \ \__\ ___/| | \/ \| | / __ \| | \ \______ (____ /___| /\___ >___ >__| /_______ /|__| (____ /___| / \/ \/ \/ \/ \/ \/ \/ \/ ``` Tired of manually fixing PHPStan "errors"? With CancerStan you can fix some of them automatically or build new fixers yourself to fix even more. [![Screenshot from 2025-07-20 11-02-17](https://private-user-images.githubusercontent.com/1708730/468364520-06f71f4a-9e34-4813-9cee-871c60a5ec3b.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.36gPYh_ZvbGfQSkFv6j8B8dI3IK7vVri8l1IUVFYItU)](https://private-user-images.githubusercontent.com/1708730/468364520-06f71f4a-9e34-4813-9cee-871c60a5ec3b.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.36gPYh_ZvbGfQSkFv6j8B8dI3IK7vVri8l1IUVFYItU)Install ------- [](#install) `composer require --dev tetreum/cancerstan` Usage ----- [](#usage) `vendor/bin/cancerstan --dry-run` CancerStan will run PHPStan first to gather the error list and then try to fix them for you. Options ------- [](#options) - `--dry-run`: Will return the changes to apply without applying them - `--stan`: To provide PHPStan's location. Ex: --stan=/docker/phpstan . Default: /vendor/bin/phpstan - `--custom-fixers`: Path to custom fixers directory. Ex: --custom-fixers=./MyCustomFixers Custom fixers ------------- [](#custom-fixers) Your codebase may have it's own tricks and requirements, so you can also make and load custom fixers. Check the `src/Fixers` folder to get an idea on how to build them. To load them just point CancerStan to their folder like: `vendor/bin/cancerstan --custom-fixers=YOUR_FIXERS_FOLDER_PATH` ### Health Score 28 — LowBetter than 54% of packages Maintenance55 Moderate activity, may be stable Popularity5 Limited adoption so far Community6 Small or concentrated contributor base Maturity41 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure 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 ~1 days Total 3 Last Release 296d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/71266106071cb2021cd95755a704956b877d6f759ed8708d864ee20e41faf5bb?d=identicon)[tetreum](/maintainers/tetreum) --- Top Contributors [![tetreum](https://avatars.githubusercontent.com/u/1708730?v=4)](https://github.com/tetreum "tetreum (6 commits)") --- Tags PHPStandev ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/tetreum-cancerstan/health.svg) ``` [![Health](https://phpackages.com/badges/tetreum-cancerstan/health.svg)](https://phpackages.com/packages/tetreum-cancerstan) ``` ### Alternatives [phpstan/phpstan PHPStan - PHP Static Analysis Tool 13.9k341.8M29.6k](/packages/phpstan-phpstan)[phpspec/prophecy Highly opinionated mocking framework for PHP 5.3+ 8.5k551.7M682](/packages/phpspec-prophecy)[larastan/larastan Larastan - Discover bugs in your code without running it. 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