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wwwision/subscription-engine
============================

Subscription engine for event-sourced systems

1.2.1(7mo ago)423.4k—5.9%3[1 PRs](https://github.com/bwaidelich/subscription-engine/pulls)4MITPHPPHP >=8.3CI passing

Since Jun 17Pushed 7mo ago2 watchersCompare

[ Source](https://github.com/bwaidelich/subscription-engine)[ Packagist](https://packagist.org/packages/wwwision/subscription-engine)[ GitHub Sponsors](https://github.com/sponsors/bwaidelich)[ Fund](https://www.paypal.me/bwaidelich)[ RSS](/packages/wwwision-subscription-engine/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (4)Dependencies (5)Versions (5)Used By (4)

Subscription engine for Event Stores
====================================

[](#subscription-engine-for-event-stores)

Subscription engine for event-sourced systems

Usage
-----

[](#usage)

This package contains base types and interfaces for Subscription Engines. In order to use it, implementations for the following interfaces have to be provided:

### `SubscriptionStore`

[](#subscriptionstore)

The [SubscriptionStore](./src/Store/SubscriptionStore.php) allows to persist and update the state of subscriptions and allows to lock access such that multiple processes cannot change the same subscription at the same time.

#### Implementations

[](#implementations)

- [wwwision/subscription-engine-doctrine](https://packagist.org/packages/wwwision/subscription-engine-doctrine) provides a DBAL implementation that is compatible with MySQL/MariaDB, PostgreSQL and SQLite.
- [ekvedaras/subscription-engine-illuminate](https://packagist.org/packages/ekvedaras/subscription-engine-illuminate) provides an implementation that uses [Laravel database](https://laravel.com/docs/12.x/database).

### `EventStoreAdapter`

[](#eventstoreadapter)

The [EventStoreAdapter](./src/EventStore/EventStoreAdapter.php) is the adapter for the actual event store implementation

#### Implementations

[](#implementations-1)

- [wwwision/subscription-engine-neos-adapter](https://packagist.org/packages/wwwision/subscription-engine-neos-adapter) - adapter for the [neos/eventstore](https://packagist.org/packages/neos/eventstore)
- [wwwision/subscription-engine-dcb-adapter](https://packagist.org/packages/wwwision/subscription-engine-dcb-adapter) - adapter for the [wwwision/dcb-eventstore](https://packagist.org/packages/wwwision/dcb-eventstore)

Contribution
------------

[](#contribution)

Contributions in the form of [issues](https://github.com/bwaidelich/subscription-engine/issues) or [pull requests](https://github.com/bwaidelich/subscription-engine/pulls) are highly appreciated

License
-------

[](#license)

See [LICENSE](./LICENSE)

Acknowledgements
----------------

[](#acknowledgements)

This implementation is heavily inspired by parts of the [patchlevel/event-sourcing](https://packagist.org/packages/patchlevel/event-sourcing) package

###  Health Score

45

—

FairBetter than 93% of packages

Maintenance63

Regular maintenance activity

Popularity34

Limited adoption so far

Community19

Small or concentrated contributor base

Maturity54

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 77.8% 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 ~36 days

Total

4

Last Release

225d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/307571?v=4)[Bastian Waidelich](/maintainers/bwaidelich)[@bwaidelich](https://github.com/bwaidelich)

---

Top Contributors

[![bwaidelich](https://avatars.githubusercontent.com/u/307571?v=4)](https://github.com/bwaidelich "bwaidelich (7 commits)")[![d-scho](https://avatars.githubusercontent.com/u/72603208?v=4)](https://github.com/d-scho "d-scho (1 commits)")[![ekvedaras](https://avatars.githubusercontent.com/u/3586184?v=4)](https://github.com/ekvedaras "ekvedaras (1 commits)")

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/wwwision-subscription-engine/health.svg)

```
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