The CakePHP framework
A library for validating emails against several RFCs
The most awesome validation engine ever created for PHP
PHP Port of Google's libphonenumber
Thin assertion library for input validation in business models.
Semver library that offers utilities, version constraint parsing and validation.
Handle file uploads with extensible validation and storage strategies
Self-validating smart models for Laravel 5's Eloquent ORM
Simple, elegant, stand-alone validation library with NO dependencies
The Illuminate Validation package.
Adds phone number functionality to Laravel and Lumen based on Google's libphonenumber API.
A fast, extensible & stand-alone PHP input validation class that allows you to validate any data
Validation classes for a wide range of domains, and the ability to chain validators to create complex validation criteria
?? Nette Forms: generating, validating and processing secure forms in PHP. Handy API, fully customizable, server & client side validation and mature design.
Eloquent model validating trait.
Flexible Searchable, Mappable, Metable, Validation and more extensions for Laravel Eloquent ORM.
SPDX licenses list and validation library.
A mobile phone number validation solution based on laravel
Tiny do-it-yourself form binding and validation library
PHP 5.3 implementation of json schema validation
File uploader and validation plugin for CakePHP.
Easily disable HTML5 validation errors.
Filters to validate and sanitize objects and arrays.