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k9u/enum
========

an Enumeration implementation for PHP

2.0.2(5y ago)0586[5 PRs](https://github.com/kawanamiyuu/K9u.Enum/pulls)MITPHPPHP >=7.3CI failing

Since Jun 20Pushed 5y agoCompare

[ Source](https://github.com/kawanamiyuu/K9u.Enum)[ Packagist](https://packagist.org/packages/k9u/enum)[ RSS](/packages/k9u-enum/feed)WikiDiscussions master Synced 3d ago

READMEChangelog (10)Dependencies (4)Versions (18)Used By (0)

K9u.Enum
========

[](#k9uenum)

[![badge](https://github.com/kawanamiyuu/K9u.Enum/workflows/CI/badge.svg)](https://github.com/kawanamiyuu/K9u.Enum/workflows/CI/badge.svg)

**K9u.Enum** provides an Enumeration implementation for PHP.

Usage
-----

[](#usage)

All examples are [here](examples).

### Simple Enum

[](#simple-enum)

```
namespace K9u\Enum;

/**
 * @method static Flavor SWEET()
 * @method static Flavor SOUR()
 */
final class Flavor extends AbstractEnum
{
    /**
     * @return string[]
     */
    protected static function enumerate(): array
    {
        return [
            'SWEET',
            'SOUR'
        ];
    }
}
```

```
$flavor = Flavor::SWEET();

var_dump(get_class($flavor));
/*
string(15) "K9u\Enum\Flavor"
*/

var_dump((string) $flavor);
/*
string(5) "SWEET"
*/
```

### Enum constant has values

[](#enum-constant-has-values)

```
namespace K9u\Enum;

/**
 * @method static Color RED()
 * @method static Color YELLOW()
 */
final class Color extends AbstractEnum
{
    /**
     * @return array
     */
    protected static function enumerate(): array
    {
        return [
            'RED' => [[255, 0, 0], 'ff0000'],
            'YELLOW' => [[255, 255, 0], 'ffff00']
        ];
    }

    /**
     * @return array{int, int, int}
     */
    public function rgb(): array
    {
        return $this->getConstantValue()[0];
    }

    public function hex(): string
    {
        return $this->getConstantValue()[1];
    }
}
```

```
$color = Color::RED();

var_dump($color->rgb());
/*
array(3) {
  [0]=>
  int(255)
  [1]=>
  int(0)
  [2]=>
  int(0)
}
*/

var_dump($color->hex());
/*
string(6) "ff0000"
*/
```

### Enum constant can also have enum constant(s)

[](#enum-constant-can-also-have-enum-constants)

```
namespace K9u\Enum;

/**
 * @method static Fruit APPLE()
 * @method static Fruit BANANA()
 */
final class Fruit extends AbstractEnum
{
    /**
     * @return array
     */
    protected static function enumerate(): array
    {
        return [
            'APPLE' => [Color::RED(), Flavor::SWEET(), [Season::AUTUMN(), Season::WINTER()]],
            'BANANA' => [Color::YELLOW(), Flavor::SOUR(), [Season::SUMMER()]]
        ];
    }

    public function color(): Color
    {
        return $this->getConstantValue()[0];
    }

    public function flavor(): Flavor
    {
        return $this->getConstantValue()[1];
    }

    /**
     * @return Season[]
     */
    public function seasons(): array
    {
        return $this->getConstantValue()[2];
    }
}
```

```
$fruit = Fruit::APPLE();

var_dump((string) $fruit->color());
/*
string(3) "RED"
*/

var_dump((string) $fruit->flavor());
/*
string(5) "SWEET"
*/

var_dump((string) $fruit->seasons()[0], (string) $fruit->seasons()[1]);
/*
string(6) "AUTUMN"
string(6) "WINTER"
*/
```

###  Health Score

29

—

LowBetter than 59% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity14

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity62

Established project with proven stability

 Bus Factor1

Top contributor holds 97.9% 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 ~50 days

Recently: every ~102 days

Total

12

Last Release

1967d ago

Major Versions

1.5.2 → 2.0.02020-06-08

PHP version history (2 changes)1.0.0PHP >=7.2

2.0.2PHP >=7.3

### Community

Maintainers

![](https://www.gravatar.com/avatar/83cb12b2e0fa43bb9ec62e161039cc7226b0077a631b62d0b25e9e6c00b46a1d?d=identicon)[kawanamiyuu](/maintainers/kawanamiyuu)

---

Top Contributors

[![kawanamiyuu](https://avatars.githubusercontent.com/u/1461463?v=4)](https://github.com/kawanamiyuu "kawanamiyuu (46 commits)")[![dependabot-preview[bot]](https://avatars.githubusercontent.com/in/2141?v=4)](https://github.com/dependabot-preview[bot] "dependabot-preview[bot] (1 commits)")

---

Tags

enumenumerationenumenumeration

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/k9u-enum/health.svg)

```
[![Health](https://phpackages.com/badges/k9u-enum/health.svg)](https://phpackages.com/packages/k9u-enum)
```

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