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[Utility & Helpers](/categories/utility) 4. / 5. patchlevel/event-sourcing-phpstan-extension ActivePhpstan-extension[Utility & Helpers](/categories/utility) patchlevel/event-sourcing-phpstan-extension =========================================== PHPStan that understands your aggregates and catches event sourcing mistakes before runtime 1.2.0(2mo ago)147.7k↓58.4%[1 issues](https://github.com/patchlevel/event-sourcing-phpstan-extension/issues)[2 PRs](https://github.com/patchlevel/event-sourcing-phpstan-extension/pulls)MITPHPPHP ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0CI passing Since Aug 13Pushed 3d ago2 watchersCompare [ Source](https://github.com/patchlevel/event-sourcing-phpstan-extension)[ Packagist](https://packagist.org/packages/patchlevel/event-sourcing-phpstan-extension)[ Docs](https://github.com/patchlevel/event-sourcing-phpstan-extension)[ RSS](/packages/patchlevel-event-sourcing-phpstan-extension/feed)WikiDiscussions 1.3.x Synced today READMEChangelog (3)Dependencies (10)Versions (13)Used By (0) [![Latest Stable Version](https://camo.githubusercontent.com/41831f0b9dca8dce09e401bd6ca6feb37453086ceb194984ed28656a44cd1ddc/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6576656e742d736f757263696e672d7068707374616e2d657874656e73696f6e2f76)](//packagist.org/packages/patchlevel/event-sourcing-phpstan-extension)[![License](https://camo.githubusercontent.com/3094614018c0a260abc1481df34d6887fd219a20bf0421c32bb1596fe94c205d/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6576656e742d736f757263696e672d7068707374616e2d657874656e73696f6e2f6c6963656e7365)](//packagist.org/packages/patchlevel/event-sourcing-phpstan-extension) event-sourcing-phpstan-extension ================================ [](#event-sourcing-phpstan-extension) "PHPStan that understands your aggregates and catches event sourcing mistakes before runtime." Features -------- [](#features) - [Property initialization](https://patchlevel.dev/docs/event-sourcing-phpstan-extension/latest/getting-started#property-initialization) for aggregate roots and child aggregates, so PHPStan does not report false uninitialized property errors. - [Recording in apply methods](https://patchlevel.dev/docs/event-sourcing-phpstan-extension/latest/getting-started#recording-in-apply-methods) is reported as an error, because recording events while replaying them leads to duplicated events. Installation ------------ [](#installation) ``` composer require --dev patchlevel/event-sourcing-phpstan-extension ``` Register the extension in your `phpstan.neon`: ``` includes: - vendor/patchlevel/event-sourcing-phpstan-extension/extension.neon ``` Documentation ------------- [](#documentation) - Latest [Docs](https://patchlevel.dev/docs/event-sourcing-phpstan-extension/latest) - Related [Blog](https://patchlevel.dev/blog) Integration ----------- [](#integration) - [patchlevel/event-sourcing](https://github.com/patchlevel/event-sourcing) Contributing ------------ [](#contributing) We are open to contributions as long as they are in line with our [BC-Policy](https://patchlevel.dev/our-backward-compatibility-promise). Also note that the `composer.lock` is always generated with the newest supported PHP version as this is the version our tools run in the CI. ### Health Score 48 — FairBetter than 93% of packages Maintenance73 Regular maintenance activity Popularity32 Limited adoption so far Community11 Small or concentrated contributor base Maturity61 Established project with proven stability Bus Factor1 Top contributor holds 82.6% 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 ~46 days Recently: every ~53 days Total 8 Last Release 0d ago Major Versions 1.1.x-dev → 2.0.x-dev2025-12-04 PHP version history (2 changes)1.0.0PHP ~8.1 || ~8.2 || ~8.3 || 8.4 1.1.0PHP ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/470138?v=4)[David Badura](/maintainers/DavidBadura)[@DavidBadura](https://github.com/DavidBadura) --- Top Contributors [![renovate[bot]](https://avatars.githubusercontent.com/in/2740?v=4)](https://github.com/renovate[bot] "renovate[bot] (128 commits)")[![DanielBadura](https://avatars.githubusercontent.com/u/2017762?v=4)](https://github.com/DanielBadura "DanielBadura (15 commits)")[![DavidBadura](https://avatars.githubusercontent.com/u/470138?v=4)](https://github.com/DavidBadura "DavidBadura (12 commits)") --- Tags PHPStanevent sourcing ### Embed Badge ![Health badge](/badges/patchlevel-event-sourcing-phpstan-extension/health.svg) ``` [![Health](https://phpackages.com/badges/patchlevel-event-sourcing-phpstan-extension/health.svg)](https://phpackages.com/packages/patchlevel-event-sourcing-phpstan-extension) ``` ### Alternatives [larastan/larastan Larastan - Discover bugs in your code without running it. 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