The CakePHP framework
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.
Nette Forms: greatly facilitates web forms
A library for validating emails against several RFCs
This package contains the JQuery Validator. It allows developers to easily validate forms, using CSS classes.
PHP 5.3 implementation of json schema validation
Flexible Searchable, Mappable, Metable, Validation and more extensions for Laravel Eloquent ORM.
File uploader and validation plugin for CakePHP.
Adds a phone validator to Laravel and Lumen based on Google's libphonenumber API.
Filters to validate and sanitize objects and arrays.
A mobile phone number validation solution based on laravel
Using [Yaml|Xml|json] schemas files to validate [Yaml|Xml|json]
Stubbles Input enables to handle input data via validation and filtering.
Easily disable HTML5 validation errors.
Signature generation and validation for REST API query authentication