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[Validation & Sanitization](/categories/validation) 4. / 5. particle/validator ActiveLibrary[Validation & Sanitization](/categories/validation) particle/validator ================== Flexible and highly usable validation library with no dependencies. v2.3.6(5mo ago)2521.7M↓14.6%40[12 issues](https://github.com/particle-php/Validator/issues)[3 PRs](https://github.com/particle-php/Validator/pulls)10BSD-3-ClausePHPPHP >=5.4 Since Mar 31Pushed 5mo ago11 watchersCompare [ Source](https://github.com/particle-php/Validator)[ Packagist](https://packagist.org/packages/particle/validator)[ Docs](http://github.com/particle-php/validator)[ RSS](/packages/particle-validator/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (10)Dependencies (4)Versions (30)Used By (10) [![image](https://cloud.githubusercontent.com/assets/6495166/7207286/8b48105e-e538-11e4-9dfa-97c7fb2398aa.png)](http://validator.particle-php.com) ================================================================================================================================================== [](#) [![Travis-CI](https://camo.githubusercontent.com/936763316fd0430f8f4308a761e899169cc8e7cfa7561e1d51da3f2bdbf3b2a2/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f7061727469636c652d7068702f56616c696461746f722f6d61737465722e737667)](https://travis-ci.org/particle-php/Validator)[![Packagist](https://camo.githubusercontent.com/ce691c64f413dff6bd8ec5d86dc6c1f2cc51a0cab59822a9f019cb96d689b2d5/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f7061727469636c652f76616c696461746f722e737667)](https://packagist.org/packages/particle/validator)[![Packagist downloads](https://camo.githubusercontent.com/aae72b02b38c5a81bf70c2e070e2dc1f50b291de79e9b70f6eff5c390c9d1cfb/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f7061727469636c652f76616c696461746f722e737667)](https://packagist.org/packages/particle/validator)[![Scrutinizer](https://camo.githubusercontent.com/a426f53b85fcaed822867a75507727478f677727e7ec8eac2b361713c0a6465b/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f672f7061727469636c652d7068702f56616c696461746f722e737667)](https://scrutinizer-ci.com/g/particle-php/Validator/?branch=master)[![Scrutinizer](https://camo.githubusercontent.com/fef9615ff4936fd2ed8f76ec0f7d34f71a4c5debe6b2285d9d88d6d6600d4923/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f636f7665726167652f672f7061727469636c652d7068702f56616c696461746f722f6d61737465722e737667)](https://scrutinizer-ci.com/g/particle-php/Validator/?branch=master) *Particle\\Validator* is a very small validation library, with the easiest and most usable API we could possibly create. Install ------- [](#install) To easily include *Particle\\Validator* into your project, install it via [composer](https://getcomposer.org) using the command line: ``` composer require particle/validator ``` Small usage example ------------------- [](#small-usage-example) ``` use Particle\Validator\Validator; $v = new Validator; $v->required('user.first_name')->lengthBetween(2, 50)->alpha(); $v->required('user.last_name')->lengthBetween(2, 50)->alpha(); $v->required('newsletter')->bool(); $result = $v->validate([ 'user' => [ 'first_name' => 'John', 'last_name' => 'D', ], 'newsletter' => true, ]); $result->isValid(); // bool(false). $result->getMessages(); /** * array(1) { * ["user.last_name"]=> array(1) { * ["Length::TOO_SHORT"]=> string(53) "last_name is too short and must be 2 characters long." * } * } */ ``` Functional features ------------------- [](#functional-features) - Validate an array of data - Get an array of error messages - Overwrite the default error messages on rules, or error messages on specific values - Get the validated values of an array - Validate different contexts (insert, update, etc.) inheriting validations of the default context - [A large set of default validation rules](http://validator.particle-php.com/en/latest/rules/) - Ability to extend the validator to add your own custom rules Non functional features ----------------------- [](#non-functional-features) - Easy to write (IDE auto-completion for easy development) - Easy to read (improves peer review) - Ability to separate controller and view logic - Fully documented: [validator.particle-php.com](http://validator.particle-php.com) - Fully tested: [Scrutinizer](https://scrutinizer-ci.com/g/particle-php/Validator/) - Zero dependencies === Find more information and advanced usage examples at [validator.particle-php.com](http://validator.particle-php.com) ### Health Score 62 — FairBetter than 99% of packages Maintenance71 Regular maintenance activity Popularity60 Solid adoption and visibility Community36 Small or concentrated contributor base Maturity69 Established project with proven stability Bus Factor1 Top contributor holds 51.3% 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 ~139 days Recently: every ~632 days Total 29 Last Release 160d ago Major Versions v0.4.2 → v1.0.02015-05-31 v1.0.5 → 2.0.0-alpha.12015-08-26 v1.0.6 → v2.0.02015-10-30 v1.0.x-dev → v2.3.42019-01-07 PHP version history (2 changes)v0.1.0PHP >=5.3.2 2.0.0-alpha.1PHP >=5.4 ### Community Maintainers ![](https://www.gravatar.com/avatar/6169c8b4657a79f3a96b4f167abc794d76402db6e4c0ad4bfe0c9b71fa8b2ef1?d=identicon)[berry\_\_](/maintainers/berry__) ![](https://www.gravatar.com/avatar/8517df511923178ac5c36f913626d23a678563d2af6219bd77c46f3b5466c794?d=identicon)[RickvdStaaij](/maintainers/RickvdStaaij) --- Top Contributors [![berry-langerak](https://avatars.githubusercontent.com/u/203825?v=4)](https://github.com/berry-langerak "berry-langerak (61 commits)")[![localheinz](https://avatars.githubusercontent.com/u/605483?v=4)](https://github.com/localheinz "localheinz (20 commits)")[![creocoder](https://avatars.githubusercontent.com/u/896494?v=4)](https://github.com/creocoder "creocoder (7 commits)")[![skoop](https://avatars.githubusercontent.com/u/90003?v=4)](https://github.com/skoop "skoop (6 commits)")[![vova07](https://avatars.githubusercontent.com/u/2714082?v=4)](https://github.com/vova07 "vova07 (4 commits)")[![NickBelhomme](https://avatars.githubusercontent.com/u/312003?v=4)](https://github.com/NickBelhomme "NickBelhomme (4 commits)")[![camcima](https://avatars.githubusercontent.com/u/1918601?v=4)](https://github.com/camcima "camcima (3 commits)")[![rtuin](https://avatars.githubusercontent.com/u/360150?v=4)](https://github.com/rtuin "rtuin (3 commits)")[![schnittstabil](https://avatars.githubusercontent.com/u/6059032?v=4)](https://github.com/schnittstabil "schnittstabil (2 commits)")[![noahlemen](https://avatars.githubusercontent.com/u/5393571?v=4)](https://github.com/noahlemen "noahlemen (1 commits)")[![rcatlin](https://avatars.githubusercontent.com/u/1914706?v=4)](https://github.com/rcatlin "rcatlin (1 commits)")[![RobQuistNL](https://avatars.githubusercontent.com/u/1442796?v=4)](https://github.com/RobQuistNL "RobQuistNL (1 commits)")[![bradymiller](https://avatars.githubusercontent.com/u/278968?v=4)](https://github.com/bradymiller "bradymiller (1 commits)")[![stephenwaite](https://avatars.githubusercontent.com/u/5618372?v=4)](https://github.com/stephenwaite "stephenwaite (1 commits)")[![jaytaph](https://avatars.githubusercontent.com/u/241458?v=4)](https://github.com/jaytaph "jaytaph (1 commits)")[![jaapverloop](https://avatars.githubusercontent.com/u/599294?v=4)](https://github.com/jaapverloop "jaapverloop (1 commits)")[![lguima](https://avatars.githubusercontent.com/u/1562097?v=4)](https://github.com/lguima "lguima (1 commits)")[![adriansuter](https://avatars.githubusercontent.com/u/3974990?v=4)](https://github.com/adriansuter "adriansuter (1 commits)") --- Tags validatorvalidation ### Code Quality TestsPHPUnit Code StylePHP\_CodeSniffer ### Embed Badge ![Health badge](/badges/particle-validator/health.svg) ``` [![Health](https://phpackages.com/badges/particle-validator/health.svg)](https://phpackages.com/packages/particle-validator) ``` ### Alternatives [respect/validation The most awesome validation engine ever created for PHP 5.9k37.4M383](/packages/respect-validation)[opis/json-schema Json Schema Validator for PHP 64736.9M186](/packages/opis-json-schema)[vlucas/valitron Simple, elegant, stand-alone validation library with NO dependencies 1.6k4.4M128](/packages/vlucas-valitron)[intervention/validation Additional validation rules for the Laravel framework 6826.7M8](/packages/intervention-validation)[proengsoft/laravel-jsvalidation Validate forms transparently with Javascript reusing your Laravel Validation Rules, Messages, and FormRequest 1.1k2.3M49](/packages/proengsoft-laravel-jsvalidation)[wixel/gump A fast, extensible & stand-alone PHP input validation class that allows you to validate any data. 1.2k1.3M30](/packages/wixel-gump) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)