Libraries tagged by validation library for PHP

A library for parsing, formatting, storing and validating international phone numbers, a PHP Port of Google's libphonenumber.

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A high-level machine learning and deep learning library for the PHP language.

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An easy to use, accurate-ish & extensible email validation library for PHP 7+

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A wrapper around the respect/validation PHP validation library for easier error handling and display

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Semantic Versioning library for PHP. It implements the full semantic version 2.0.0 specification and provides ability to parse, compare, and increment semantic versions along with validation against constraints.

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Top Level Domain (TLD) validation library for PHP

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Official kickbox API library client for PHP

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A robust PHP 7.4+ email validation library that extends beyond basic validation with MX record checks, disposable email detection, and free email provider validation. Features include strict typing, custom validator support, internationalization (i18n), and an extensible architecture. Perfect for applications requiring thorough email verification with customizable validation rules.

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A PHP library for X.509 public key certificates, attribute certificates, certification requests and certification path validation.

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A PHP library for EAN and ISBN validation and conversion

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PHP Library for XML Schema Validations

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Official QuickEmailVerification API library client for PHP

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Framework-agnostic PHP library for data mapping, DTOs and utilities. Includes DataMapper, SimpleDto/LiteDto, DataAccessor/Mutator/Filter and helper classes (MathHelper, EnvHelper, etc.). Works with Laravel, Symfony/Doctrine or standalone PHP.

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Utopia Emails library is simple and lite library for parsing and validating email addresses. This library is aiming to be as simple and easy to learn and use.

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A PHP chess library that is used for chess move generation/validation, piece placement/movement, and check/checkmate/stalemate detection

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