Libraries tagged by immutable objects

A PHP library/collection of classes aimed to help developers using and understanding immutable objects.

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Type-safe file upload handling with immutable value objects

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A modern, strictly typed, and extensible invoice generator for Laravel 12+ built with PHP 8.4 syntax. This package provides a clean builder pattern API, immutable data objects, and modular design inspired by LaravelDaily/laravel-invoices but rewritten from scratch with SOLID principles and Laravel best practices.

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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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A PHP library/collection of classes aimed immutable objects.

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Immutable objects with a json schema

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Plain and simple immutable DTO pattern implementation based on php annotations

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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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Easy way to build up and sanitize your application objects.

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Type-safe immutable duration value object for PHP

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

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Immutable numeric value object with chainable arithmetic operations and Laravel Number formatting

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A PHP 8.5+ DTO and Data library with immutable DTOs and mutable Data objects

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A PHP helper utility class for fluent interaction and manipulation with collection data using immutable bags

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

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