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[Caching](/categories/caching) 4. / 5. kununu/projections ActiveLibrary[Caching](/categories/caching) kununu/projections ================== Handle projections of items to cache v6.0.0(3mo ago)118.0k—2.6%[3 PRs](https://github.com/kununu/projections/pulls)MITPHPPHP >=8.4CI passing Since Jul 23Pushed 3mo ago7 watchersCompare [ Source](https://github.com/kununu/projections)[ Packagist](https://packagist.org/packages/kununu/projections)[ RSS](/packages/kununu-projections/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (11)Versions (18)Used By (0) Kununu Projections ================== [](#kununu-projections) Projections are a temporary storage and are a way to access data faster than fetching it from a regular storage (e.g. getting data from a cache vs from the database). Data needs to be projected first so that its projection can be accessed without the need to access the actual source of truth, which is usually a slower process. Projections have a short lifetime, and are not updated automatically if data in source of truth changes. So they need to be frequently refreshed. Overview -------- [](#overview) This repository contains the interfaces to implement projections logic. It also includes an implementation of the projection over the Symfony's Tag Aware Cache Pool component, which can use several cache providers, like Memcached, Redis or simply process memory, amongst others. Installation ------------ [](#installation) ### Require this library to your project [](#require-this-library-to-your-project) ``` composer require kununu/projections ``` ### If you wish to have projections implemented via Symfony's Tag Aware Cache Pool, you must also request the required packages for that implementation [](#if-you-wish-to-have-projections-implemented-via-symfonys-tag-aware-cache-pool-you-must-also-request-the-required-packages-for-that-implementation) ``` composer require symfony/cache ``` Also you will need to include a serializer (e.g. JMSSerializer) ``` composer require jms/serializer ``` (Or, in this example, if you want to use this library on a Symfony App you may want to require the `jms/serializer-bundle` instead of `jms/serializer`) ``` composer require jms/serializer-bundle ``` Concepts -------- [](#concepts) - [Cache Cleaner](docs/cache-cleaner.md) - [Projection Item](docs/projection-item.md) - [Provider](docs/provider.md) - [Repository](docs/repository.md) - [Serialization](docs/serialization.md) Integrations ------------ [](#integrations) - [Symfony Integrations](docs/symfony.md) --- [![Continuous Integration](https://github.com/kununu/projections/actions/workflows/continuous-integration.yml/badge.svg)](https://github.com/kununu/projections/actions/workflows/continuous-integration.yml/badge.svg)[![Quality Gate Status](https://camo.githubusercontent.com/bb334f83331c56dcbab54c2245cdac7e2c760523141b1bbff1ce07813340170c/68747470733a2f2f736f6e6172636c6f75642e696f2f6170692f70726f6a6563745f6261646765732f6d6561737572653f70726f6a6563743d6b756e756e755f70726f6a656374696f6e73266d65747269633d616c6572745f737461747573)](https://sonarcloud.io/dashboard?id=kununu_projections) ### Health Score 57 — FairBetter than 98% of packages Maintenance82 Actively maintained with recent releases Popularity28 Limited adoption so far Community15 Small or concentrated contributor base Maturity85 Battle-tested with a long release history Bus Factor1 Top contributor holds 70.4% 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 ~184 days Total 14 Last Release 95d ago Major Versions v1.3.0 → v2.0.02023-01-16 v2.1.0 → v3.0.02024-01-19 v3.0.0 → v4.0.02024-04-08 v4.0.1 → v5.0.02025-03-03 v5.0.0 → v6.0.02026-02-12 PHP version history (6 changes)v1.0.0PHP ^7.2 v1.3.0PHP >=7.2 v3.0.0PHP >=8.0 v4.0.0PHP >=8.1 v5.0.0PHP >=8.3 v6.0.0PHP >=8.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/41483600?v=4)[Hugo Gonçalves](/maintainers/hugo-goncalves-kununu)[@hugo-goncalves-kununu](https://github.com/hugo-goncalves-kununu) --- Top Contributors [![hugo-goncalves-kununu](https://avatars.githubusercontent.com/u/41483600?v=4)](https://github.com/hugo-goncalves-kununu "hugo-goncalves-kununu (19 commits)")[![joaoalves-kununu](https://avatars.githubusercontent.com/u/22587229?v=4)](https://github.com/joaoalves-kununu "joaoalves-kununu (3 commits)")[![kununu-drocha](https://avatars.githubusercontent.com/u/47111094?v=4)](https://github.com/kununu-drocha "kununu-drocha (3 commits)")[![csizmazia](https://avatars.githubusercontent.com/u/2581924?v=4)](https://github.com/csizmazia "csizmazia (1 commits)")[![usmichael](https://avatars.githubusercontent.com/u/25005284?v=4)](https://github.com/usmichael "usmichael (1 commits)") --- Tags symfonycacheprojections ### Code Quality TestsPHPUnit Static AnalysisPHPStan, Rector Type Coverage Yes ### Embed Badge ![Health badge](/badges/kununu-projections/health.svg) ``` [![Health](https://phpackages.com/badges/kununu-projections/health.svg)](https://phpackages.com/packages/kununu-projections) ``` ### Alternatives [tedivm/stash-bundle Incorporates the Stash caching library into Symfony. 841.4M16](/packages/tedivm-stash-bundle) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)