Libraries tagged by data validation

Extended validation attributes, casts, transformers, and type utilities for spatie/laravel-data

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Classes which implements the Chain of Responsibility pattern in validating data. Intended primary use is for handling complex validations.

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Lightweight WordPress date utilities with UTC storage, local display, and zero dependencies. Handles date ranges, business logic, subscriptions, and formatting.

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Laravel package for convenient validation and hydration of a request into DTO structures

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Library for json schemas validation

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Simple general purpose input data validation framework. Script version.

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A simple and flexible PHP validation library that supports multiple error handling methods

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Validator is a server side data validation library for PHP. We can validate html form-data, objects, arrays and json etc.

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PHP Structure helper with typed properties and attributes

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Advanced validation library with multiple API styles including JSON templates, inline rules, builder pattern, and functional composition. Features 50+ built-in validators, dot notation for nested objects, field reference resolution, and internationalization support. Zero dependencies, fully synchronous, and designed for maximum developer experience with extensible custom rule system.

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ioValidate data validation for PHP and JavaScript

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A CakePHP behavior to validate foreign keys

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EasyValidation — a package for simple, fast, and extendable data validation (email, URL, number, date, credit card, IP, phone, etc.).

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Professional South African RSA ID Number Validation Library with Luhn algorithm, date validation, and component extraction

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Models: Classes with built-in data validation

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