Libraries tagged by immutable values

Immutable value objects for PHP, designed for Domain-Driven Design (DDD). Enhance your applications with expressive, reliable, and maintainable code.

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A base class for immutable single-value-wrapper classes

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📦 The PHP Value Object library offers immutable, type-safe, and self-validating objects to model domain values using the Value Object pattern.

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Defines the default behavior contract for PHP value objects with structural equality.

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Models time as immutable value objects for PHP: instants, durations, periods, timezones, and time-of-day, all UTC-normalized.

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A framework-agnostic PHP DTO package that provides nested casting, recursive serialization, validation, assemblers, and immutable DTO support out of the box.

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A PHP library of immutable objects to use in Domain Driven Design.

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Small collection of value objects.

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

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Type-safe Optional value object for PHP 8.4+. A robust implementation of the Optional pattern inspired by Java, providing elegant null-safety and functional programming capabilities.

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RQL (Resource Query Language) domain layer -- immutable value objects, AST nodes, and interfaces. Zero dependencies.

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Immutable, binary-backed value object for IPv4 and IPv6 addresses with parsing, classification, and comparison

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A PHP library of immutable objects classes.

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A PHP library/collection of classes aimed immutable objects.

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Immutable value objects for expressive temporal modeling: time, duration, circular 24-hour intervals, and interval sets, without timezone handling.

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