Libraries tagged by validations

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

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Prevent users from reusing recently used passwords

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

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

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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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A powerful PCRE regex parser with lexer, AST builder, validation, ReDoS analysis, and syntax highlighting. Zero dependencies, blazing fast, and production-ready.

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Take your Eloquent Models to the next level

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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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Framework agnostic upload library

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This package provides a validator for ensuring strong passwords in Laravel 4 applications.

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User Defined Custom Fields for Laravel Filament

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A simple and clean PHP class that validates EU VAT numbers against the central ec.europa.eu database (using the official europa API).

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Parameter processing library

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This package provides convenient methods to integrate the NeverBounce API into your project.

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Implementation of the Luhn algorithm in PHP. Used in validation of credit card numbers and some national identification numbers.

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