Filtering, Sanitizing and Validation Libraries

PHP Email address validator - A library for validating emails against several RFC.

Buster: Captcha Solver for Humans

A simple validation library.

A [JSON Schema](https://json-schema.org/) validation library.

A standards compliant HTML filter.

A validation library with a rich set of assertions. Supports assertion chaining and lazy assertions.

A library for handling file uploads and validation.

Another validation library.

A library for mapping to strongly typed value objects.

A library for validating inputs according to standards from ISO, International Finance, Public Administrations, GS1, Book Industry, Phone numbers & Zipcodes for many countries.

Extension for the Laravel validation class

A simple PHP filtering library.

Laravel Validation Service

Custom Laravel Validator for combined unique indexes

An HTML sanitizer library.

Extra validation rules for dealing with images in Laravel 5.

Provides tools to validate and sanitize objects and arrays.

A schema validation library that supports YAML, JSON and XML.

Library that offers Input Filtering based on Annotations for use with Objects. Check out 2.dev for 2.0 pre-release.

🔒 Laravel validation rule that checks if a password has been exposed in a data breach.

Improved abstraction for dealing with union and named types.

PHP library to validate and convert ISBNs and EANs

Another simplified validation library.

Another validation library.

Abstracts HTTP request input handling, providing an easy interface for data hydration and validation