Libraries tagged by data validation

Symfony 8 bundle for JSON-first API form handling with controller traits, data transformers, Doctrine validation, and RFC 9457 problem details error responses

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Immutable Data Transfer Objects (DTO) for Laravel with validation, Eloquent casting, and encryption

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Use the famous CIFAR-10 dataset to train a multi-layer neural network to recognize images of cats, dogs, and other things.

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Strict immutable DTOs, VOs, and SVOs for PHP 8.4+ with construction-time type validation, deep path mutation, and automatic validation chaining.

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Slender, elegant CSV for PHP

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A simple and elegant assertion and guard methods library for input validation.

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Complete form builder system with 30+ field types, validation, and Blade/Inertia.js integration. Build complex forms with text inputs, selects, date pickers, file uploads, rich editors, repeaters, and more with real-time reactivity.

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Generate and manage Laravel model schemas with automatic validation, documentation, and migration helpers for better data structure management.

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Immutable DTOs with bidirectional casting. No framework required. 8x faster than the alternative.

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A lightweight zero-dependency PHP library for building immutable, serializable objects with validation capabilities.

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PHP library to handle FinanzOnline web services.

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Type-safe internationalization value objects and validation rules for Laravel applications including countries, currencies, locales, phone numbers, postal codes, and addresses

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A Laravel package for filtering and sanitizing request variables with customizable rules

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Stop incomplete records and prevent data degradation across critical Filament actions.

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A PHP library for whitelisting, validating, and canonicalizing HTTP request data against a JSON Schema

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