Libraries tagged by validity

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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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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Static analysis for PHP regular expressions: parse, validate, explain, prove ReDoS safety, lint, optimize and compare patterns, with PHPStan, Psalm, Rector, Symfony and Laravel integrations.

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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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Lightweight PHP validator supporting Language Independent Validation Rules Specification (LIVR)

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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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A CSV utility to read, validate and write data to multiple format including JSON, XML etc.

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