The most awesome validation engine ever created for PHP
PHP Port of Google's libphonenumber
Thin assertion library for input validation in business models.
Handle file uploads with extensible validation and storage strategies
Self-validating smart models for Laravel 5's Eloquent ORM
Nette Utility Classes
Simple, elegant, stand-alone validation library with NO dependencies
A fast, extensible & stand-alone PHP input validation class that allows you to validate any data
The Illuminate Validation package.
Eloquent model validating trait.
BCE is made to make your live easy. It will help you in building forms very quickly, handles form rendering, both client and server-side validation, and persistance.
A library for validating emails against several RFCs
PHP 5.3 implementation of json schema validation
File uploader and validation plugin for CakePHP.
Flexible Searchable, Mappable, Metable, Validation and more extensions for Laravel Eloquent ORM.
Filters to validate and sanitize objects and arrays.
Adds a phone validator to Laravel and Lumen based on Google's libphonenumber API.
Easily disable HTML5 validation errors.
Stubbles Input enables to handle input data via validation and filtering.
This package contains the JQuery Validator. It allows developers to easily validate forms, using CSS classes.
Common libraries used by Guzzle
Data validation & flexible form rendering incl. semantic-ui structure.
Clone of Phone number handling library by Davide Mendolia