Libraries tagged by validation for php

A PHP library that extends gosuperscript/axiom with support for Interval types, providing type-safe interval handling and operator overloading for schema validation

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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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Web eID authentication token validation library for PHP

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Validation module for the ez-php framework — rule-based validator with database-backed unique/exists rules and optional i18n support

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The most complete email validation and disposable email detection library for PHP: 136,000+ disposable domains (updated daily, false-positive filtered), MX/DNS, RFC & spoof checks, role-based and typo detection, SMTP verification. Framework-agnostic with first-class Laravel, Symfony, CodeIgniter 4, CakePHP, Yii 2/3 and Phalcon integrations.

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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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Framework-agnostic PHP SDK for the BounceShift email-validation API.

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Composable email signal pipeline for PHP: disposable providers, role accounts, MX facts and your own rules — every check emits a signal, you decide what they mean.

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CheckMobi SDK for PHP

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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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Validation codes for API

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Laravel/Lumen validation rules for validate country codes (ISO3166-1)

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The validation package for Hypervel.

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PHPStan extension for Blockstudio with template typing, schema validation, block tag checks, public API stubs, and a generated project contract.

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PHP package for validating game user IDs via Codashop scraping and GoPay Games

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