Libraries tagged by immutable values

Immutable, chainable Number and Percentage value objects with exact bcmath arithmetic.

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Cally is a lightweight, immutable registry for storing and retrieving data or services in PHP. It provides a simple yet powerful way to manage configurations, dependencies, or any key-value pairs with support for immutability and PSR-11 compliance. Cally is ideal for any project where a full-fledged dependency injection container is unnecessary.

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

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Immutable uri object with validation and helpful methods

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Immutable email object with validation and helpful methods

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Phalue Objects - PHP Value Objects

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Data object storage and recovery with sorting, filtering and merging

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

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A PHP library providing immutable Money value object

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Generated immutable value classes for PHP7.1+

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Immutable value objects to easy format and assert values.

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Help to create immutable Value Objects

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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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Immutable data structures for PHP arrays, providing strict separation between lists and objects, safe access semantics, key validation, and a clean, predictable API for defensive and expressive programming.

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Rector rules that migrate DateTime to DateTimeImmutable and auto-fix lost mutations whose return value is ignored

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