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[Caching](/categories/caching) 4. / 5. cache/hierarchical-cache ActiveLibrary[Caching](/categories/caching) cache/hierarchical-cache ======================== A helper trait and interface to your PSR-6 cache to support hierarchical keys. 1.2.0(4y ago)6016.1M—2.3%811MITPHPPHP >=7.4 Since Jan 12Pushed 4y ago2 watchersCompare [ Source](https://github.com/php-cache/hierarchical-cache)[ Packagist](https://packagist.org/packages/cache/hierarchical-cache)[ Docs](http://www.php-cache.com/en/latest/)[ RSS](/packages/cache-hierarchical-cache/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (8)Dependencies (3)Versions (9)Used By (11) Hierarchical PSR-6 cache pool ============================= [](#hierarchical-psr-6-cache-pool) [![Gitter](https://camo.githubusercontent.com/2ded3ed1778dcfc9af5e2dfaad55e176ade49082cb6ea757169cc5ea23bf32ac/68747470733a2f2f6261646765732e6769747465722e696d2f7068702d63616368652f63616368652e737667)](https://gitter.im/php-cache/cache?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)[![Latest Stable Version](https://camo.githubusercontent.com/2d501972678c343ae5b679cbb3614adec2165cb773b8a466f48d7373ef5da260/68747470733a2f2f706f7365722e707567782e6f72672f63616368652f68696572617263686963616c2d63616368652f762f737461626c65)](https://packagist.org/packages/cache/hierarchical-cache)[![codecov.io](https://camo.githubusercontent.com/9c6eb09b9c4be594cb9e09f35d590d9ae3e3430d032958eda0275fa1a6fe9c73/68747470733a2f2f636f6465636f762e696f2f6769746875622f7068702d63616368652f68696572617263686963616c2d63616368652f636f7665726167652e7376673f6272616e63683d6d6173746572)](https://codecov.io/github/php-cache/hierarchical-cache?branch=master)[![Total Downloads](https://camo.githubusercontent.com/a31102f62ff8f17aea50421a32c6ceb4ef7d65cbe89c98324d20ef75b91aca66/68747470733a2f2f706f7365722e707567782e6f72672f63616368652f68696572617263686963616c2d63616368652f646f776e6c6f616473)](https://packagist.org/packages/cache/hierarchical-cache)[![Monthly Downloads](https://camo.githubusercontent.com/89bff4a00970f983ca665b4324b498e16757572a6f98a8326b3e5b7c7a0d52b3/68747470733a2f2f706f7365722e707567782e6f72672f63616368652f68696572617263686963616c2d63616368652f642f6d6f6e74686c792e706e67)](https://packagist.org/packages/cache/hierarchical-cache)[![Software License](https://camo.githubusercontent.com/55c0218c8f8009f06ad4ddae837ddd05301481fcf0dff8e0ed9dadda8780713e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d627269676874677265656e2e7376673f7374796c653d666c61742d737175617265)](LICENSE) This is an implementation for the PSR-6 for an hierarchical cache architecture. If you have a cache key like `|users|:uid|followers|:fid|likes` where `:uid` and `:fid` are arbitrary integers. You may flush all followers by flushing `|users|:uid|followers`. It is a part of the PHP Cache organisation. To read about features like tagging and hierarchy support please read the shared documentation at [www.php-cache.com](http://www.php-cache.com). ### Install [](#install) ``` composer require cache/hierarchical-cache ``` ### Use [](#use) Read the [documentation on usage](http://www.php-cache.com/en/latest/hierarchy/). ### Implement [](#implement) Read the [documentation on implementation](http://www.php-cache.com/en/latest/implementing-cache-pools/hierarchy/). ### Contribute [](#contribute) Contributions are very welcome! Send a pull request to the [main repository](https://github.com/php-cache/cache) or report any issues you find on the [issue tracker](http://issues.php-cache.com). ### Health Score 47 — FairBetter than 94% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity59 Moderate usage in the ecosystem Community27 Small or concentrated contributor base Maturity68 Established project with proven stability Bus Factor1 Top contributor holds 67.9% 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 ~313 days Recently: every ~496 days Total 8 Last Release 1584d ago Major Versions 0.4.0 → 1.0.02017-07-16 PHP version history (5 changes)0.1.0PHP ^5.5|^7.0 0.3.0PHP ^5.5 || ^7.0 0.4.0PHP ^5.6 || ^7.0 1.1.0PHP ^5.6 || ^7.0 || ^8.0 1.2.0PHP >=7.4 ### Community Maintainers ![](https://www.gravatar.com/avatar/401ccc5eea13c60cf807ae982af00e368e2166e2f26d8eb541dcd881a57385bc?d=identicon)[Nyholm](/maintainers/Nyholm) --- Top Contributors [![Nyholm](https://avatars.githubusercontent.com/u/1275206?v=4)](https://github.com/Nyholm "Nyholm (36 commits)")[![cryptiklemur](https://avatars.githubusercontent.com/u/896295?v=4)](https://github.com/cryptiklemur "cryptiklemur (4 commits)")[![ruudk](https://avatars.githubusercontent.com/u/104180?v=4)](https://github.com/ruudk "ruudk (4 commits)")[![prisis](https://avatars.githubusercontent.com/u/2716058?v=4)](https://github.com/prisis "prisis (4 commits)")[![maidmaid](https://avatars.githubusercontent.com/u/4578773?v=4)](https://github.com/maidmaid "maidmaid (2 commits)")[![carusogabriel](https://avatars.githubusercontent.com/u/16328050?v=4)](https://github.com/carusogabriel "carusogabriel (1 commits)")[![Korbeil](https://avatars.githubusercontent.com/u/944409?v=4)](https://github.com/Korbeil "Korbeil (1 commits)")[![florianv](https://avatars.githubusercontent.com/u/1586668?v=4)](https://github.com/florianv "florianv (1 commits)") --- Tags cachepsr-6hierarchyhierarchical ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/cache-hierarchical-cache/health.svg) ``` [![Health](https://phpackages.com/badges/cache-hierarchical-cache/health.svg)](https://phpackages.com/packages/cache-hierarchical-cache) ``` ### Alternatives [tedivm/stash The place to keep your cache. 9824.8M124](/packages/tedivm-stash)[laminas/laminas-cache Caching implementation with a variety of storage options, as well as codified caching strategies for callbacks, classes, and output 1076.9M130](/packages/laminas-laminas-cache)[cache/adapter-common Common classes for PSR-6 adapters 11124.4M38](/packages/cache-adapter-common)[cache/filesystem-adapter A PSR-6 cache implementation using filesystem. This implementation supports tags 705.8M82](/packages/cache-filesystem-adapter)[cache/array-adapter A PSR-6 cache implementation using a php array. This implementation supports tags 548.3M151](/packages/cache-array-adapter)[cache/redis-adapter A PSR-6 cache implementation using Redis (PhpRedis). This implementation supports tags 523.9M27](/packages/cache-redis-adapter) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)