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steefmin/immutable
==================

PHP library to easily implement immutable objects

1.1.1(1y ago)01MITPHPPHP >=8.1

Since Dec 9Pushed 1y ago1 watchersCompare

[ Source](https://github.com/steefmin/immutable)[ Packagist](https://packagist.org/packages/steefmin/immutable)[ RSS](/packages/steefmin-immutable/feed)WikiDiscussions 1.x Synced today

READMEChangelogDependencies (4)Versions (4)Used By (0)

Immutable
=========

[](#immutable)

PHP library to easily implement immutable objects

---

```
use SteefMin\Immutable\Immutable;

/**
 * @method self withId(int $id)
 */
final class DTO
{
    use Immutable;

    public function __construct(
        private readonly int $id,
        private readonly string $value,
    ){
    }

    public function id(): int
    {
        return $this->id;
    }
}

$original = new DTO(1, 'one');

$updated = $original->with('id', 2);
// or
$updated = $original->withId(2);

echo $original->id(); // 1
echo $updated->id(); // 2
```

###  Health Score

26

—

LowBetter than 41% of packages

Maintenance37

Infrequent updates — may be unmaintained

Popularity1

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity50

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~0 days

Total

4

Last Release

571d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/5700620?v=4)[Steef Min](/maintainers/steefmin)[@steefmin](https://github.com/steefmin)

---

Top Contributors

[![steefmin](https://avatars.githubusercontent.com/u/5700620?v=4)](https://github.com/steefmin "steefmin (38 commits)")

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Code StyleECS

Type Coverage Yes

### Embed Badge

![Health badge](/badges/steefmin-immutable/health.svg)

```
[![Health](https://phpackages.com/badges/steefmin-immutable/health.svg)](https://phpackages.com/packages/steefmin-immutable)
```

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