Libraries tagged by validation library for PHP

Simple JWT (RFC 7519) encoding/decoding and validation library, for PHP >= 5.3.

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Server-Side Form Validation Library for PHP

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Array value validation library for PHP

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A simple, extensible validation library for PHP with support for filtering and validating any input array along with generating client side validation code.

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A lightweight and high-performance PHP validation library designed for enterprise-grade applications. It features zero dependencies, comprehensive test coverage, and a developer-friendly API—enabling teams to build scalable and secure systems with confidence.

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Library for postmaster.io service

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chess.php is a PHP chess library that is used for chess move generation/validation, piece placement/movement, and check/checkmate/stalemate detection - basically everything but the AI. NOTE: this is a port of chess.js for php

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PHP library to validate user inputs for APIs or forms

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Template for Validation - Basic, Simple and Lightweight

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A jQuery augmented PHP library for creating and validating HTML forms

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Platine Validator is a simple, extensible validation library with support for filtering

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depage-forms is PHP library for HTML form generation with focus on usability. By abstracting HTML, browser flaws (duplicate form submissions) and form validation, it provides a comfortable way to obtain reliable and validated data from users.

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SchemaValidator is a PHP implementation for validating JSON against a Schema (also a string), the JSON and Schema are both linted with https://github.com/cmpayments/jsonlint. This library is optimized for speed and performance.

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forked from daveearley/daves-email-validation-tool, An easy to use, accurate-ish & extensible email validation library for PHP 8+

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A PHP Library for Self-Documenting Form Validations

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