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[Parsing & Serialization](/categories/parsing) 4. / 5. patchlevel/hydrator ActiveLibrary[Parsing & Serialization](/categories/parsing) patchlevel/hydrator =================== A library for seamless hydration of objects to arrays - and back again, optimized for developer experience and performance 2.0.0(2w ago)17588.7k↓41.1%3[1 issues](https://github.com/patchlevel/hydrator/issues)[9 PRs](https://github.com/patchlevel/hydrator/pulls)3MITPHPPHP ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0CI passing Since Feb 20Pushed 6d ago3 watchersCompare [ Source](https://github.com/patchlevel/hydrator)[ Packagist](https://packagist.org/packages/patchlevel/hydrator)[ Docs](https://patchlevel.dev/docs/hydrator/latest)[ RSS](/packages/patchlevel-hydrator/feed)WikiDiscussions 2.1.x Synced 3d ago READMEChangelog (10)Dependencies (47)Versions (99)Used By (3) [![Mutation testing badge](https://camo.githubusercontent.com/08bcae324a44635719b975526bc6b6d840e62d100cb1567c8dcb3ef19017c6d5/68747470733a2f2f696d672e736869656c64732e696f2f656e64706f696e743f7374796c653d666c61742675726c3d687474707325334125324625324662616467652d6170692e737472796b65722d6d757461746f722e696f2532466769746875622e636f6d25324670617463686c6576656c2532466879647261746f72253246322e302e78)](https://dashboard.stryker-mutator.io/reports/github.com/patchlevel/hydrator/2.0.x)[![Latest Stable Version](https://camo.githubusercontent.com/6481d603697d852b5dcd1e4eda194443c9c9e45e834b86c39359d1ce831aec28/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6879647261746f722f76)](//packagist.org/packages/patchlevel/hydrator)[![License](https://camo.githubusercontent.com/c5604acf4c64abde19cd007d60353d01630f93ee7f65eee48a308efafcc66103/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6879647261746f722f6c6963656e7365)](//packagist.org/packages/patchlevel/hydrator) Hydrator ======== [](#hydrator) "A library for seamless hydration of objects to arrays - and back again, optimized for developer experience and performance." Features -------- [](#features) - Extract objects to arrays and [hydrate](https://patchlevel.dev/docs/hydrator/latest/hydrator) them back, without calling the constructor - Works with `final`, `readonly` classes, property promotion and deeply nested structures - Automatic [normalizer](https://patchlevel.dev/docs/hydrator/latest/normalizer) resolution for enums, date types, collections, array shapes and objects - [Rename or exclude](https://patchlevel.dev/docs/hydrator/latest/hydrator) fields with attributes - [Lazy hydration](https://patchlevel.dev/docs/hydrator/latest/lazy) of objects with PHP 8.4 lazy proxies - Pluggable [guessers](https://patchlevel.dev/docs/hydrator/latest/guesser) and [extensions](https://patchlevel.dev/docs/hydrator/latest/extensions) to customize the process - Safe usage of Personal Data with [crypto-shredding](https://patchlevel.dev/docs/hydrator/latest/cryptography) - [Metadata caching](https://patchlevel.dev/docs/hydrator/latest/caching) with any PSR-6 or PSR-16 cache - Developer experience oriented and fully typed - and much more... Installation ------------ [](#installation) ``` composer require patchlevel/hydrator ``` Documentation ------------- [](#documentation) - Latest [Docs](https://patchlevel.dev/docs/hydrator/latest) - Related [Blog](https://patchlevel.dev/blog) Integration ----------- [](#integration) - [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 66 — FairBetter than 99% of packages Maintenance97 Actively maintained with recent releases Popularity47 Moderate usage in the ecosystem Community23 Small or concentrated contributor base Maturity79 Established project with proven stability Bus Factor1 Top contributor holds 50.5% 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 ~18 days Recently: every ~1 days Total 67 Last Release 19d ago Major Versions 1.24.0 → 2.0.02026-06-15 PHP version history (6 changes)1.0.0-beta1PHP ~8.1.0 || ~8.2.0 1.1.x-devPHP ~8.1.0 || ~8.2.0 || ~8.3.0 1.6.x-devPHP ~8.2.0 || ~8.3.0 1.7.0PHP ~8.2.0 || ~8.3.0 || ~8.4.0 1.12.x-devPHP ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0 1.13.0PHP ~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] (352 commits)")[![DavidBadura](https://avatars.githubusercontent.com/u/470138?v=4)](https://github.com/DavidBadura "DavidBadura (287 commits)")[![DanielBadura](https://avatars.githubusercontent.com/u/2017762?v=4)](https://github.com/DanielBadura "DanielBadura (51 commits)")[![gsteel](https://avatars.githubusercontent.com/u/2803720?v=4)](https://github.com/gsteel "gsteel (5 commits)")[![wikando-ck](https://avatars.githubusercontent.com/u/73299324?v=4)](https://github.com/wikando-ck "wikando-ck (2 commits)") --- Tags ddddtoserializationnormalizerserializerhydratordenormalizerpatchlevelobject-mapping ### Code Quality TestsPHPUnit Static AnalysisPHPStan Type Coverage Yes ### Embed Badge ![Health badge](/badges/patchlevel-hydrator/health.svg) ``` [![Health](https://phpackages.com/badges/patchlevel-hydrator/health.svg)](https://phpackages.com/packages/patchlevel-hydrator) ``` ### Alternatives [api-platform/core Build a fully-featured hypermedia or GraphQL API in minutes! 2.6k51.2M339](/packages/api-platform-core)[shopware/platform The Shopware e-commerce core 3.4k1.5M3](/packages/shopware-platform)[shopware/core Shopware platform is the core for all Shopware ecommerce products. 585.6M572](/packages/shopware-core)[api-platform/metadata API Resource-oriented metadata attributes and factories 275.0M219](/packages/api-platform-metadata)[flow-php/flow PHP ETL - Extract Transform Load - Data processing framework 85036.3k](/packages/flow-php-flow)[civicrm/civicrm-core Open source constituent relationship management for non-profits, NGOs and advocacy organizations. 751291.4k43](/packages/civicrm-civicrm-core) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)