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[Validation & Sanitization](/categories/validation) 4. / 5. rodrigonull/json-guard ActiveLibrary[Validation & Sanitization](/categories/validation) rodrigonull/json-guard ====================== A validator for JSON using json-schema. 0.5.1(9y ago)021MITPHPPHP >=5.5.0 Since Apr 15Pushed 9y ago1 watchersCompare [ Source](https://github.com/rodrigonull/json-guard)[ Packagist](https://packagist.org/packages/rodrigonull/json-guard)[ Docs](https://github.com/thephpleague/json-guard)[ RSS](/packages/rodrigonull-json-guard/feed)WikiDiscussions master Synced 3w ago READMEChangelogDependencies (5)Versions (10)Used By (0) JSON Guard ========== [](#json-guard) [![Software License](https://camo.githubusercontent.com/55c0218c8f8009f06ad4ddae837ddd05301481fcf0dff8e0ed9dadda8780713e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d627269676874677265656e2e7376673f7374796c653d666c61742d737175617265)](LICENSE.md)[![Build Status](https://camo.githubusercontent.com/fba8d2c64ba4485ca781a1ee33f7615d1e74f675ba6e904746d222dce7e49b5a/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f7468657068706c65616775652f6a736f6e2d67756172642f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://travis-ci.org/thephpleague/json-guard)[![Coverage Status](https://camo.githubusercontent.com/fd4e04e26f220a53b90508ad3413e987cd14c427412375ca74d681c36a26d1d1/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f636f7665726167652f672f7468657068706c65616775652f6a736f6e2d67756172642e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/thephpleague/json-guard/code-structure)[![Quality Score](https://camo.githubusercontent.com/0fa59e2a9377e496fdb6ac85a923bfa85617ee4a205ee9e8022faf783c5e39b9/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f672f7468657068706c65616775652f6a736f6e2d67756172642e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/thephpleague/json-guard)[![Documentation](https://camo.githubusercontent.com/16ee0df28d58259503825d407ff718c07112b5f956409840668d1efc7ddce4ae/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f446f63732d4c61746573742d627269676874677265656e2e7376673f7374796c653d666c61742d737175617265)](http://json-guard.thephpleague.com/) This package is a validator for [JSON Schema](http://json-schema.org/). It fully supports draft 4 of the specification. Notable Features: - Passes the entire [draft 4 JSON Schema Test Suite](https://github.com/json-schema/JSON-Schema-Test-Suite). - Fully supports remote references. - Fully supports circular references. - Unique error codes for every validation error. Install ------- [](#install) ### Via Composer [](#via-composer) ``` composer require league/json-guard ``` Usage ----- [](#usage) Complete documentation is available [here](http://json-guard.thephpleague.com/). Change log ---------- [](#change-log) Please see [CHANGELOG](CHANGELOG.md) for more information about what has changed recently. Testing ------- [](#testing) You need to run a web server while testing. A simple node server is in the tests directory. ``` $ node tests/server.js ``` Once the server is running, you can run the test suite. ``` $ composer test ``` Contributing ------------ [](#contributing) Please see [CONTRIBUTING](CONTRIBUTING.md) for details. Stability --------- [](#stability) This package is pre 1.0 so anything can break at any time. That being said, breaking changes are typically released in the minor version (the x in 0.x.y). Security -------- [](#security) If you discover any security related issues, please email instead of using the issue tracker. Credits ------- [](#credits) - [Matt Allan](https://github.com/thephpleague) - [All Contributors](../../contributors) License ------- [](#license) The MIT License (MIT). Please see [License File](LICENSE.md) for more information. ### Health Score 25 — LowBetter than 36% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity6 Limited adoption so far Community13 Small or concentrated contributor base Maturity54 Maturing project, gaining track record Bus Factor3 3 contributors hold 50%+ of commits 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 ~25 days Recently: every ~31 days Total 10 Last Release 3500d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/3ed57465ca3304bbfde90f86796ee01e91ec862d234300b783253ba50273bbc3?d=identicon)[rodrigonull](/maintainers/rodrigonull) --- Top Contributors [![ribeiropaulor](https://avatars.githubusercontent.com/u/376830?v=4)](https://github.com/ribeiropaulor "ribeiropaulor (2 commits)")[![karion](https://avatars.githubusercontent.com/u/1007461?v=4)](https://github.com/karion "karion (2 commits)")[![duncan3dc](https://avatars.githubusercontent.com/u/546811?v=4)](https://github.com/duncan3dc "duncan3dc (1 commits)")[![msarca](https://avatars.githubusercontent.com/u/5808737?v=4)](https://github.com/msarca "msarca (1 commits)")[![rodnover55](https://avatars.githubusercontent.com/u/2125064?v=4)](https://github.com/rodnover55 "rodnover55 (1 commits)")[![leberknecht](https://avatars.githubusercontent.com/u/1165177?v=4)](https://github.com/leberknecht "leberknecht (1 commits)")[![gbirke](https://avatars.githubusercontent.com/u/223326?v=4)](https://github.com/gbirke "gbirke (1 commits)") --- Tags jsonschemavalidationjson-schemajson-schema.org ### Code Quality TestsPHPUnit Code StylePHP\_CodeSniffer ### Embed Badge ![Health badge](/badges/rodrigonull-json-guard/health.svg) ``` [![Health](https://phpackages.com/badges/rodrigonull-json-guard/health.svg)](https://phpackages.com/packages/rodrigonull-json-guard) ``` ### Alternatives [opis/json-schema Json Schema Validator for PHP 65141.2M263](/packages/opis-json-schema)[geraintluff/jsv4 A (coercive) JSON Schema v4 Validator for PHP 115461.4k4](/packages/geraintluff-jsv4)[romaricdrigon/metayaml Using \[Yaml|Xml|json\] schemas files to validate \[Yaml|Xml|json\] 103311.2k8](/packages/romaricdrigon-metayaml)[evaisse/php-json-schema-generator A JSON Schema Generator. 18310.5k1](/packages/evaisse-php-json-schema-generator) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)