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[Parsing & Serialization](/categories/parsing) 4. / 5. cortexphp/json-schema ActiveLibrary[Parsing & Serialization](/categories/parsing) cortexphp/json-schema ===================== A fluent JSON Schema builder for PHP 1.3.0(3w ago)587.4k↑34.9%1MITPHPPHP ^8.3CI passing Since Jan 17Pushed 1w ago1 watchersCompare [ Source](https://github.com/cortexphp/json-schema)[ Packagist](https://packagist.org/packages/cortexphp/json-schema)[ Docs](https://github.com/cortexphp/json-schema)[ RSS](/packages/cortexphp-json-schema/feed)WikiDiscussions main Synced 3d ago READMEChangelog (10)Dependencies (16)Versions (16)Used By (1) Fluently build and validate JSON Schemas ======================================== [](#fluently-build-and-validate-json-schemas) [![Latest Version](https://camo.githubusercontent.com/ddf3475e7a5c97c67263da5599f490a9374a8b6e44f935a672100f80037b8510/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f636f727465787068702f6a736f6e2d736368656d612e7376673f7374796c653d666c61742d737175617265266c6f676f3d636f6d706f736572)](https://packagist.org/packages/cortexphp/json-schema)[![GitHub Actions Test Workflow Status](https://camo.githubusercontent.com/5f8afb97b7d0bb0dd957b411178c4bce2652c8d495b2d86016c9985d609ca04a/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f636f727465787068702f6a736f6e2d736368656d612f72756e2d74657374732e796d6c3f7374796c653d666c61742d737175617265266c6f676f3d676974687562)](https://camo.githubusercontent.com/5f8afb97b7d0bb0dd957b411178c4bce2652c8d495b2d86016c9985d609ca04a/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f636f727465787068702f6a736f6e2d736368656d612f72756e2d74657374732e796d6c3f7374796c653d666c61742d737175617265266c6f676f3d676974687562)[![GitHub License](https://camo.githubusercontent.com/19d74b63be2fe89df0293139ce1183257aba07a13fe101ba4744fab69b0075ad/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f6c6963656e73652f636f727465787068702f6a736f6e2d736368656d613f7374796c653d666c61742d737175617265266c6f676f3d676974687562)](https://camo.githubusercontent.com/19d74b63be2fe89df0293139ce1183257aba07a13fe101ba4744fab69b0075ad/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f6c6963656e73652f636f727465787068702f6a736f6e2d736368656d613f7374796c653d666c61742d737175617265266c6f676f3d676974687562) [What is JSON Schema?](https://json-schema.org/overview/what-is-jsonschema) Features -------- [](#features) - 🏗️ **Fluent Builder API** - Build JSON Schemas using an intuitive fluent interface - 📝 **Multi-Version Support** - Support for JSON Schema Draft-06, Draft-07, Draft 2019-09, and Draft 2020-12 - ✅ **Validation** - Validate data against schemas with detailed error messages - 🤝 **Conditional Schemas** - Support for if/then/else, allOf, anyOf, and not conditions - 🔄 **Reflection** - Generate schemas from PHP classes, enums, and closures — including docblock array generics and constructor property promotion - 💪 **Type Safety** - Built with PHP 8.3+ features and strict typing - 🔍 **Version-Aware Features** - Automatic validation of version-specific features with helpful error messages JSON Schema Version Support --------------------------- [](#json-schema-version-support) This package supports multiple JSON Schema specification versions with automatic feature validation: ### Supported Versions [](#supported-versions) - **Draft 2020-12** - (Default) Latest version with `prefixItems`, dynamic references, and format vocabularies - **Draft 2019-09** - Adds advanced features like `$defs`, `unevaluatedProperties`, `deprecated` - **Draft-07** (2018) - Legacy version with broad tool compatibility - **Draft-06** (2017) - Legacy version for maximum compatibility with older tooling Requirements ------------ [](#requirements) - PHP 8.3+ Installation ------------ [](#installation) ``` composer require cortexphp/json-schema ``` Quick Start ----------- [](#quick-start) ``` use Cortex\JsonSchema\Schema; use Cortex\JsonSchema\Enums\SchemaFormat; // Create a schema $schema = Schema::object('user') ->description('User schema') ->properties( Schema::string('name') ->minLength(2) ->maxLength(100) ->required(), Schema::string('email') ->format(SchemaFormat::Email) ->required(), Schema::integer('age') ->minimum(18) ->maximum(150), Schema::boolean('active') ->default(true), Schema::object('settings') ->additionalProperties(false) ->properties( Schema::string('theme') ->enum(['light', 'dark']), ), ); $data = [ 'name' => 'John Doe', 'email' => 'john@example.com', 'age' => 30, 'active' => true, 'settings' => [ 'theme' => 'light', ], ]; if ($schema->isValid($data)) { echo "Valid!"; } else { try { $schema->validate($data); } catch (\Cortex\JsonSchema\Exceptions\SchemaException $e) { echo $e->getMessage(); } } // Convert to array $schema->toArray(); // Convert to JSON string echo $schema->toJson(JSON_PRETTY_PRINT); ``` Documentation ------------- [](#documentation) 📚 **[View Full Documentation →](https://docs.cortexphp.com/json-schema)** Credits ------- [](#credits) - [Sean Tymon](https://github.com/tymondesigns) - [All Contributors](../../contributors) License ------- [](#license) The MIT License (MIT). Please see [License File](LICENSE.md) for more information. ### Health Score 56 — FairBetter than 97% of packages Maintenance97 Actively maintained with recent releases Popularity37 Limited adoption so far Community13 Small or concentrated contributor base Maturity61 Established project with proven stability Bus Factor1 Top contributor holds 92.6% 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 ~46 days Recently: every ~35 days Total 12 Last Release 22d ago Major Versions 0.6.0 → 1.0.02026-01-23 ### Community Maintainers ![](https://www.gravatar.com/avatar/2730d341811c79252a25178ab52ee3a83a857cf66b409e9691ecd3e89b6307e0?d=identicon)[tymondesigns](/maintainers/tymondesigns) --- Top Contributors [![tymondesigns](https://avatars.githubusercontent.com/u/1801923?v=4)](https://github.com/tymondesigns "tymondesigns (75 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (6 commits)") --- Tags json-schemaphpzodjsonschemajson-schemacortexzod ### Code Quality TestsPest Static AnalysisPHPStan, Rector Code StyleECS Type Coverage Yes ### Embed Badge ![Health badge](/badges/cortexphp-json-schema/health.svg) ``` [![Health](https://phpackages.com/badges/cortexphp-json-schema/health.svg)](https://phpackages.com/packages/cortexphp-json-schema) ``` ### Alternatives [justinrainbow/json-schema A library to validate a json schema. 3.6k334.7M790](/packages/justinrainbow-json-schema)[jms/serializer Library for (de-)serializing data of any complexity; supports XML, and JSON. 2.3k141.9M928](/packages/jms-serializer)[hasbridge/json-schema-validator PHP 5.3 implementation of json schema validation 124460.4k3](/packages/hasbridge-json-schema-validator)[psx/schema Parse and generate data schema formats 57245.5k24](/packages/psx-schema)[juststeveking/resume-php A PHP library for building and working with the JSON resume schema. 1061.1k](/packages/juststeveking-resume-php) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)