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[Validation & Sanitization](/categories/validation) 4. / 5. slick/validator ActiveLibrary[Validation & Sanitization](/categories/validation) slick/validator =============== Slick/Validator is a simple library with useful input validators v1.1.0(10y ago)03.4k1MITPHP Since Feb 1Pushed 10y ago2 watchersCompare [ Source](https://github.com/slickframework/validator)[ Packagist](https://packagist.org/packages/slick/validator)[ Docs](https://github.com/slickframework/validator)[ RSS](/packages/slick-validator/feed)WikiDiscussions master Synced 2mo ago READMEChangelog (1)Dependencies (4)Versions (4)Used By (1) Slick Validator package ======================= [](#slick-validator-package) [![Latest Version](https://camo.githubusercontent.com/a97efa951d66dee1c74c76f82b60f5ba15acedd6692564ab5ebde5b66a7dab75/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f72656c656173652f736c69636b6672616d65776f726b2f76616c696461746f722e7376673f7374796c653d666c61742d737175617265)](https://github.com/slickframework/validator/releases)[![Software License](https://camo.githubusercontent.com/55c0218c8f8009f06ad4ddae837ddd05301481fcf0dff8e0ed9dadda8780713e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f6c6963656e73652d4d49542d627269676874677265656e2e7376673f7374796c653d666c61742d737175617265)](LICENSE.md)[![Build Status](https://camo.githubusercontent.com/431bf8c24b3724a919ae6f7062f96182c0fa6c93bc5bde996db3ea2218f36a0a/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f736c69636b6672616d65776f726b2f76616c696461746f722f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://travis-ci.org/slickframework/validator)[![Coverage Status](https://camo.githubusercontent.com/a3cd8fdc75241a525b70fd375ec78bf90e47f9be424837f7ea11e5373ee433d3/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f636f7665726167652f672f736c69636b6672616d65776f726b2f76616c696461746f722f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/slickframework/validator/code-structure?branch=master)[![Quality Score](https://camo.githubusercontent.com/803fb15121b9b4bdae8b57954730b2d2cba78de26b726f837029da0134f50d9b/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f672f736c69636b6672616d65776f726b2f76616c696461746f722f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/slickframework/validator?branch=master)[![Total Downloads](https://camo.githubusercontent.com/dcabbe5c6900912c544bad0bd192f593a24e59bd97569df0dfb24cea573c07e5/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f736c69636b2f76616c696461746f722e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/slick/validator) `Slick/Validator` is a set of input validation tools that can be used to check your input data. It also has the concept of *Validation Chain* that can combine validators for a specific validation. This package is compliant with PSR-2 code standards and PSR-4 autoload standards. It also applies the [semantic version 2.0.0](http://semver.org) specification. Install ------- [](#install) Via Composer ``` $ composer require slick/validator ``` Usage ----- [](#usage) One of the easiest ways of using a validator is using `StaticValidator` class to check a value: ``` use Slick\Validator\StaticValidator; if (StaticValidator::validates('notEmpty', $value) { // Some code with valid value } else { print StaticValidator::getMessage(); // Print out validation messages } ``` `Slick/Validator` comes with the following validators: AliasDescriptionClass*notEmpty*Fails if passed value is an empty string`Slick\Validator\NotEmpty`*email*Fails if passed value is not a valid e-mail address`Slick\Validator\Email`*number*Fails if passed value is not am integer number`Slick\Validator\Number`*alphaNumeric*Fails if passed value is not an alpha numeric value`Slick\Validator\AlphaNumeric`*url*Fails if passed value is not an URL`Slick\Validator\URL``StaticValidator` is also a validator objects factory. For example: ``` use Slick\Validator\StaticValidator; $urlValidator = StaticValidator::create('notEmpty', 'You must enter a valid URL.'); if ($urlValidator->validates($_POST['url']) { // URL is valid use it... } else { print $urlValidator->getMessage(); // Will print out 'You must enter a valid URL.' } ``` Combining various validator to use it as a single validation can be done with `ValidationChain`. ``` use Slick\Validator\StaticValidator; use Slick\Validator\ValidationChain; $emailValidation = new ValidationChain(); $emailValidation ->add(StaticValidator::create('notEmpty', 'Email address cannot be empty.')) ->add(StaticValidator::create('email', 'The entered e-mail is not a valid address.'); if ($emailValidation->validates($_POST['email']) { // URL is valid use it... } else { print implode(', ', $emailValidation->getMessages()); // Will print out the validation messages for the validator(s) that fail. } ``` You can always create your own validator and use the `StaticValidator` or the `ValidationChain` as long as you implement the `Slick\Validator\ValidatorInterface` or `Slick\Validator\ValidationChainInterface`. Testing ------- [](#testing) ``` $ vendor/bin/phpunit ``` Contributing ------------ [](#contributing) Please see [CONTRIBUTING](CONTRIBUTING.md) for details. Security -------- [](#security) If you discover any security related issues, please email instead of using the issue tracker. Credits ------- [](#credits) - [Slick framework](https://github.com/slickframework) - [All Contributors](https://github.com/slickframework/common/graphs/contributors) License ------- [](#license) The MIT License (MIT). Please see [License File](LICENSE.md) for more information. ### Health Score 32 — LowBetter than 72% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity19 Limited adoption so far Community10 Small or concentrated contributor base Maturity65 Established project with proven stability Bus Factor1 Top contributor holds 100% 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 ~0 days Total 2 Last Release 3758d ago ### Community Maintainers ![](https://avatars.githubusercontent.com/u/101112?v=4)[fsilva](/maintainers/fsilva)[@fsilva](https://github.com/fsilva) --- Top Contributors [![silvamfilipe](https://avatars.githubusercontent.com/u/5720969?v=4)](https://github.com/silvamfilipe "silvamfilipe (5 commits)") --- Tags validationslickinput-validation ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/slick-validator/health.svg) ``` [![Health](https://phpackages.com/badges/slick-validator/health.svg)](https://phpackages.com/packages/slick-validator) ``` ### Alternatives [composer/semver Version comparison library that offers utilities, version constraint parsing and validation. 3.3k489.6M672](/packages/composer-semver)[giggsey/libphonenumber-for-php A library for parsing, formatting, storing and validating international phone numbers, a PHP Port of Google's libphonenumber. 5.0k148.7M416](/packages/giggsey-libphonenumber-for-php)[respect/validation The most awesome validation engine ever created for PHP 5.9k37.4M383](/packages/respect-validation)[propaganistas/laravel-phone Adds phone number functionality to Laravel based on Google's libphonenumber API. 3.0k35.7M107](/packages/propaganistas-laravel-phone)[opis/json-schema Json Schema Validator for PHP 64236.9M186](/packages/opis-json-schema)[giggsey/libphonenumber-for-php-lite A lite version of giggsey/libphonenumber-for-php, which is a PHP Port of Google's libphonenumber 8412.9M47](/packages/giggsey-libphonenumber-for-php-lite) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)