Libraries tagged by validaton

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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Argonaut is a lightweight Data Transfer Object (DTO) package for Laravel that supports nested casting, recursive serialization, and validation out of the box. Ideal for service layers, APIs, and clean architecture workflows.

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A PCRE regex parser with lexer, AST builder, validation, ReDoS analysis, and syntax highlighting. Zero runtime dependencies.

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Take your Eloquent Models to the next level

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A Simple PHP Roman Numerals Library

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Laravel OTP generator and validation

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Framework agnostic upload library

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Checks uploaded file content roughly matches a known MIME type for the file extension.

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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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Cyclic redundancy checker (crc) class to calculate crc8, crc16, crc24 and crc32 checksum values

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Yii2 json attribute behavior

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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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Powerful & memory efficient CSS linter for PHP

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