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[Utility & Helpers](/categories/utility) 4. / 5. zero-to-prod/json-schema4 ActiveLibrary[Utility & Helpers](/categories/utility) zero-to-prod/json-schema4 ========================= A DataModel for the Json Schema Draft 4 Specification v1.1.0(8mo ago)1238MITPHPPHP >=8.1.0CI passing Since Jan 1Pushed 8mo ago1 watchersCompare [ Source](https://github.com/zero-to-prod/json-schema4)[ Packagist](https://packagist.org/packages/zero-to-prod/json-schema4)[ Docs](https://github.com/zero-to-prod/json-schema4)[ Fund](https://github.com/sponsors/zero-to-prod)[ RSS](/packages/zero-to-prod-json-schema4/feed)WikiDiscussions main Synced 1mo ago READMEChangelog (10)Dependencies (5)Versions (13)Used By (0) Zerotoprod\\JsonSchema4 ======================= [](#zerotoprodjsonschema4) [![](art/logo.png)](art/logo.png) [![Repo](https://camo.githubusercontent.com/9a90a3efeee26aed7d7f2feee9cd84566a26f9c362cc773b184d076210906e1c/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6769746875622d677261793f6c6f676f3d676974687562)](https://github.com/zero-to-prod/json-schema4)[![GitHub Actions Workflow Status](https://camo.githubusercontent.com/6d21610838a30ace817e707eebb9e680b3d5c3110bf96361fe802bd9f2074b44/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61342f746573742e796d6c3f6c6162656c3d74657374)](https://github.com/zero-to-prod/json-schema4/actions)[![GitHub Actions Workflow Status](https://camo.githubusercontent.com/814d607d8f74ff99c23b16e269936827fe91e86b9da836f1e40699308f971b2c/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61342f6261636b77617264735f636f6d7061746962696c6974792e796d6c3f6c6162656c3d6261636b77617264735f636f6d7061746962696c697479)](https://github.com/zero-to-prod/json-schema4/actions)[![Packagist Downloads](https://camo.githubusercontent.com/58d89bfcfde85b37e2eda5e1fb96af44e0d396197b853bd516f7013154df5aea/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61343f636f6c6f723d626c7565)](https://packagist.org/packages/zero-to-prod/json-schema4/stats)[![Packagist Version](https://camo.githubusercontent.com/68d9c825391b9624e0e44ffff8be1bd36c945d51eba47aa2194a45151cbbe9b2/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61343f636f6c6f723d663238643161)](https://packagist.org/packages/zero-to-prod/json-schema4)[![License](https://camo.githubusercontent.com/084970cd8723b2428134869b23089466dccf589e7aea73fe99df44ff157c6dae/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f6c2f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61343f636f6c6f723d726564)](https://github.com/zero-to-prod/json-schema4/blob/main/LICENSE.md)[![wakatime](https://camo.githubusercontent.com/b0514d1acbce50389485979f3009af96eb88a7aec8b7ecb73af70f69546952ca/68747470733a2f2f77616b6174696d652e636f6d2f62616467652f6769746875622f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61342e737667)](https://wakatime.com/badge/github/zero-to-prod/json-schema4)[![Hits-of-Code](https://camo.githubusercontent.com/399df7247a53ce6af189f6a55f317d374d22ff90766092ff426799c6d892f553/68747470733a2f2f686974736f66636f64652e636f6d2f6769746875622f7a65726f2d746f2d70726f642f6a736f6e2d736368656d61343f6272616e63683d6d61696e)](https://hitsofcode.com/github/zero-to-prod/json-schema4/view?branch=main) Contents -------- [](#contents) - [Introduction](#introduction) - [Requirements](#requirements) - [Installation](#installation) - [Documentation Publishing](#documentation-publishing) - [Automatic Documentation Publishing](#automatic-documentation-publishing) - [Usage](#usage) - [Publishing DataModels](#publishing-datamodels) - [Local Development](./LOCAL_DEVELOPMENT.md) - [Contributing](#contributing) Introduction ------------ [](#introduction) A [DataModel](https://github.com/zero-to-prod/data-model) for the [Json Schema Draft 4](https://json-schema.org/draft-04/draft-zyp-json-schema-04) Specification. Requirements ------------ [](#requirements) - PHP 8.1 or higher. Installation ------------ [](#installation) Install `Zerotoprod\JsonSchema4` via [Composer](https://getcomposer.org/): ``` composer require zero-to-prod/json-schema4 ``` This will add the package to your project's dependencies and create an autoloader entry for it. Documentation Publishing ------------------------ [](#documentation-publishing) You can publish this README to your local documentation directory. This can be useful for providing documentation for AI agents. This can be done using the included script: ``` # Publish to default location (./docs/zero-to-prod/json-schema4) vendor/bin/zero-to-prod-json-schema4 # Publish to custom directory vendor/bin/zero-to-prod-json-schema4 /path/to/your/docs ``` ### Automatic Documentation Publishing [](#automatic-documentation-publishing) You can automatically publish documentation by adding the following to your `composer.json`: ``` { "scripts": { "post-install-cmd": [ "zero-to-prod-json-schema4" ], "post-update-cmd": [ "zero-to-prod-json-schema4" ] } } ``` Usage ----- [](#usage) ``` use Zerotoprod\JsonSchema4\JsonSchema4; $JsonSchema4 = JsonSchema4::from(json_decode($json, true)); $JsonSchema4->schema; ``` Publishing DataModels --------------------- [](#publishing-datamodels) You can directly import these files into your project like this: ``` ./vendor/bin/json-schema4 app/JsonSchema4 ``` The first argument is the destination of where the files are copied to. Contributing ------------ [](#contributing) Contributions, issues, and feature requests are welcome! Feel free to check the [issues](https://github.com/zero-to-prod/json-schema4/issues) page if you want to contribute. 1. Fork the repository. 2. Create a new branch (`git checkout -b feature-branch`). 3. Commit changes (`git commit -m 'Add some feature'`). 4. Push to the branch (`git push origin feature-branch`). 5. Create a new Pull Request. ### Health Score 37 — LowBetter than 82% of packages Maintenance64 Regular maintenance activity Popularity13 Limited adoption so far Community9 Small or concentrated contributor base Maturity54 Maturing project, gaining track record Bus Factor1 Top contributor holds 93.3% 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 ~22 days Recently: every ~57 days Total 12 Last Release 249d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/502649f05d36c87d494988bd99193a4d908d345335d99c080928a726277371f5?d=identicon)[zero-to-prod](/maintainers/zero-to-prod) --- Top Contributors [![zero-to-prod](https://avatars.githubusercontent.com/u/61474950?v=4)](https://github.com/zero-to-prod "zero-to-prod (14 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (1 commits)") --- Tags data-modeljsonschemaphpzero-to-prodJsonSchema4json-schema4 ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/zero-to-prod-json-schema4/health.svg) ``` [![Health](https://phpackages.com/badges/zero-to-prod-json-schema4/health.svg)](https://phpackages.com/packages/zero-to-prod-json-schema4) ``` ### Alternatives [zero-to-prod/data-model Transforms Data into Type-Safe DTOs. 14226.2k32](/packages/zero-to-prod-data-model) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)