Libraries tagged by immutable objects

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

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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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Generated immutable value classes for PHP7.1+

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Enhanced DateTime, DateTimeImmutable and DateInterval objects

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DTO library in PHP provides benefits such as encapsulating data, enforcing immutability and facilitating data transformation.

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Small collection of value objects.

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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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Forget Haystack vs Needle order, the object IS the Haystack. Haystack is a library that allows for pipelining and immutable structures.

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Provides immutable behavior for objects.

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A PHP library of immutable objects classes.

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The Immutable Object implementation pattern as a PHP component.

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Flag a class as being immutable by implementing the ImmutableInterface. An immutable object must never change its state; i.e. its class properties must remain unchanged after instantiation or cloning.

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A PHP library/collection of classes aimed immutable objects.

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Simple helper to ensure immutable objects

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