Libraries tagged by object validation

Orisai Object Mapper integration for Nette

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Framework-agnostic PHP support library with typed helpers for strings, arrays, files, objects, validation, and security primitives

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Generate JSON Schemas from Laravel Data objects with validation attributes

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

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A validator featuring rule objects, string rule mapping, wildcard validation and more

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Laravel package for URL value objects, sanitization pipelines, browser URL support, validation rules, request macros, and Laravel Data integration.

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ECDSA signature value object with DER/JWS raw format conversion and curve-order validation. For Cloud KMS/HSM-based JWT signing where OpenSSL/KMS returns DER but JWT (RFC 7518) requires raw format.

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Validation rules and an Eloquent Model attribute cast to value object encapsulating a South African government-issued personal identification number, for Laravel.

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A flexible, lightweight, and object-oriented string filtering and sanitization library.

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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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Lagan lets you create flexible content objects with a simple class, and manage them with a web interface.

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Advanced DTO system with casting, validation, masks, nested DTOs

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Type-safe environment variable validation for Laravel and PHP applications with intelligent presets and extensible rule objects

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Provides support for configuring the properties of an object for validation, formatting, and storage.

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Simple form system with fast validation and object hydration

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