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ActiveLibrary[Utility & Helpers](/categories/utility)

ph-il/enums
===========

Zero-dependencies package to supercharge enum functionalities via helper traits.

0.2.0(2mo ago)018MITPHPPHP ^8.3

Since Feb 19Pushed 2mo agoCompare

[ Source](https://github.com/parler-haut-interagir-librement/enums)[ Packagist](https://packagist.org/packages/ph-il/enums)[ Docs](https://ph-il.ca)[ RSS](/packages/ph-il-enums/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (1)Dependencies (17)Versions (3)Used By (0)

Enums
=====

[](#enums)

[![Author](https://camo.githubusercontent.com/03d9f58e6572fecfcf84799a8c87025dffcbc1c384734566c8415b359142fc7c/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f617574686f722d6365726265726f39302d626c75653f6c6f676f3d78267374796c653d666f722d7468652d6261646765266c6f676f53697a653d6175746f)](https://github.com/ph-il)[![PHP Version](https://camo.githubusercontent.com/9726fca1da818e93120dd78ca5f53b5e245acb36c21529e4c3b3663de62bb5c7/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f7068702d762f70682d696c2f656e756d733f636f6c6f723d253233373737424234266c6f676f3d706870267374796c653d666f722d7468652d6261646765266c6f676f53697a653d6175746f)](https://www.php.net)[![Latest 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A collection of enum helpers for PHP.

Tip

Need to supercharge enums in a Symfony application?

Consider using [Enums Bundle](https://github.com/parler-haut-interagir-librement/enums-bundle) instead.

A collection of enum helpers for PHP.

- [`AsInvocableEnum`](#asinvocableenum)
- [`AsNameableEnum`](#asnameableenum)
- [`AsValuableEnum`](#asvaluableenum)
- [`AsSelectableEnum`](#asselectableenum)
- [`AsComparableEnum`](#AsComparableEnum)
- [`AsFromambleEnum`](#AsFromambleEnum)
- [`AsMetadableEnum`](#AsMetadableEnum)
- [`AsStringSelectableEnum`](#asstringselectableenum)

Table of Contents
-----------------

[](#table-of-contents)

- [Installation](#installation)
- [Usage](#usage)
    - [`AsInvocableEnum`](#asinvocableenum)
    - [`AsNameableEnum`](#asnameableenum)
    - [`AsValuableEnum`](#asvaluableenum)
    - [`AsSelectableEnum`](#asselectableenum)
    - [`AsComparableEnum`](#AsComparableEnum)
    - [`AsFromambleEnum`](#AsFromambleEnum)
    - [`AsMetadableEnum`](#AsMetadableEnum)
        - [Access the Metadata](#access-the-metadata)
        - [Creating Meta Properties](#creating-meta-properties)
        - [Recommandations](#recommendation-use-annotations-and-traits)
    - [`AsStringSelectableEnum`](#asstringselectableenum)
- [PHPStan](#phpstan)
- [Development](#development)
- [Todo](#todo)

Installation
------------

[](#installation)

PHP 8.1+ is required.

Via Composer :

```
composer require ph-il/enums
```

Usage
-----

[](#usage)

To supercharge our enums with all the features (except [AsStringSelectableEnum](#asstringselectableenum)) provided by this package, we can let our enums use the Enumerates trait:

```
use Phil\Enums\Traits\AsEnumerableEnumTrait;

enum PureEnum
{
    use AsEnumerableEnumTrait;

    case ONE;
    case TWO;
    case THREE;
}

enum BackedEnum: int
{
    use AsEnumerableEnumTrait;

    case ONE = 1;
    case TWO = 2;
    case THREE = 3;
}
```

### AsInvocableEnum

[](#asinvocableenum)

This helper lets you get the value of a backed enum, or the name of a pure enum, by "invoking" it — either statically (`BackedEnum::THREE()` instead of `BackedEnum::THREE->value`), or as an instance (`$enum()`).

That way, you can use enums as array keys:

```
'statuses' => [
    TaskStatus::INCOMPLETE() => ['some configuration'],
    TaskStatus::COMPLETED() => ['some configuration'],
],
```

Or access the underlying primitives for any other use cases:

```
public function updateStatus(int $status): void;

$task->updateStatus(TaskStatus::COMPLETED());
```

The main point: this is all without having to append `->value` to everything.

This approach also has *decent* IDE support. You get autosuggestions while typing, and then you just append `()`:

```
BackedEnum::THREE; // => BackedEnum instance
BackedEnum::THREE(); // => 3
```

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum)

```
use Phil\Enums\Traits\AsInvocableEnumTrait;

enum TaskStatus: int
{
    use AsInvocableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}
enum Role
{
    use AsInvocableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}

enum PureEnum
{
    use AsInvocableEnumTrait;

    case ONE;
    case TWO;
    case THREE;
}

enum BackedEnum: int
{
    use AsInvocableEnumTrait;

    case ONE = 1;
    case TWO = 2;
    case THREE = 3;
}
```

#### Use static calls to get the primitive value

[](#use-static-calls-to-get-the-primitive-value)

```
BackedEnum::ONE(); // 1
BackedEnum::TWO(); // 2
BackedEnum::THREE(); // 3
PureEnum::ONE(); // 'ONE'
PureEnum::TWO(); // 'TWO'
PureEnum::THREE(); // 'THREE'
```

#### Invoke instances to get the primitive value

[](#invoke-instances-to-get-the-primitive-value)

```
public function updateStatus(TaskStatus $status, Role $role)
{
    $this->record->setStatus($status(), $role());
}
```

### AsNameableEnum

[](#asnameableenum)

This helper returns a list of case *names* in the enum.

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-1)

```
use Phil\Enums\Traits\AsNameableEnumTrait;

enum TaskStatus: int
{
    use AsNameableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsNameableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### Use the `names()` method

[](#use-the-names-method)

```
TaskStatus::names(); // ['INCOMPLETE', 'COMPLETED', 'CANCELED']
Role::names(); // ['ADMINISTRATOR', 'SUBSCRIBER', 'GUEST']
```

### AsValuableEnum

[](#asvaluableenum)

This helper returns a list of case *values* for backed enums, or a list of case *names* for pure enums (making this functionally equivalent to [`::names()`](#names) for pure Enums)

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-2)

```
use Phil\Enums\Traits\AsValuableEnumTrait;

enum TaskStatus: int
{
    use AsValuableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsValuableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### Use the `values()` method

[](#use-the-values-method)

```
TaskStatus::values(); // [0, 1, 2]
Role::values(); // ['ADMINISTRATOR', 'SUBSCRIBER', 'GUEST']
```

### AsSelectableEnum

[](#asselectableenum)

This helper returns an associative array of case names and values for backed enums, or a list of names for pure enums (making this functionally equivalent to [`::names()`](#names) for pure Enums).

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-3)

```
use Phil\Enums\Traits\AsSelectableEnumTrait;

enum TaskStatus: int
{
    use AsSelectableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsSelectableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### Use the `options()` method

[](#use-the-options-method)

```
TaskStatus::options(); // ['INCOMPLETE' => 0, 'COMPLETED' => 1, 'CANCELED' => 2]
Role::options(); // ['ADMINISTRATOR', 'SUBSCRIBER', 'GUEST']
```

### AsComparableEnum

[](#ascomparableenum)

This trait lets you compare enums using `is()`, `isNot()`, `in()` and `notIn()`.

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-4)

```
use Phil\Enums\Traits\AsComparableEnumTrait;

enum TaskStatus: int
{
    use AsComparableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsComparableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### Use the `is()` method

[](#use-the-is-method)

```
TaskStatus::INCOMPLETE->is(TaskStatus::INCOMPLETE); // true
TaskStatus::INCOMPLETE->is(TaskStatus::COMPLETED); // false
Role::ADMINISTRATOR->is(Role::ADMINISTRATOR); // true
Role::ADMINISTRATOR->is(Role::NOBODY); // false
```

#### Use the `isNot()` method

[](#use-the-isnot-method)

```
TaskStatus::INCOMPLETE->isNot(TaskStatus::INCOMPLETE); // false
TaskStatus::INCOMPLETE->isNot(TaskStatus::COMPLETED); // true
Role::ADMINISTRATOR->isNot(Role::ADMINISTRATOR); // false
Role::ADMINISTRATOR->isNot(Role::NOBODY); // true
```

#### Use the `in()` method

[](#use-the-in-method)

```
TaskStatus::INCOMPLETE->in([TaskStatus::INCOMPLETE, TaskStatus::COMPLETED]); // true
TaskStatus::INCOMPLETE->in([TaskStatus::COMPLETED, TaskStatus::CANCELED]); // false
Role::ADMINISTRATOR->in([Role::ADMINISTRATOR, Role::GUEST]); // true
Role::ADMINISTRATOR->in([Role::SUBSCRIBER, Role::GUEST]); // false
```

#### Use the `notIn()` method

[](#use-the-notin-method)

```
TaskStatus::INCOMPLETE->notIn([TaskStatus::INCOMPLETE, TaskStatus::COMPLETED]); // false
TaskStatus::INCOMPLETE->notIn([TaskStatus::COMPLETED, TaskStatus::CANCELED]); // true
Role::ADMINISTRATOR->notIn([Role::ADMINISTRATOR, Role::GUEST]); // false
Role::ADMINISTRATOR->notIn([Role::SUBSCRIBER, Role::GUEST]); // true
```

### AsFromambleEnum

[](#asfromambleenum)

This helper adds `from()` and `tryFrom()` to pure enums, and adds `fromName()` and `tryFromName()` to all enums.

#### Important Notes:

[](#important-notes)

- `BackedEnum` instances already implement their own `from()` and `tryFrom()` methods, which will not be overridden by this trait. Attempting to override those methods in a `BackedEnum` causes a fatal error.
- Pure enums only have named cases and not values, so the `from()` and `tryFrom()` methods are functionally equivalent to `fromName()` and `tryFromName()`

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-5)

```
use Phil\Enums\AsFromambleEnum;

enum TaskStatus: int
{
    use AsFromambleEnum;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsFromambleEnum;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### Use the `from()` method

[](#use-the-from-method)

```
Role::from('ADMINISTRATOR'); // Role::ADMINISTRATOR
Role::from('NOBODY'); // Error: ValueError
```

#### Use the `tryFrom()` method

[](#use-the-tryfrom-method)

```
Role::tryFrom('GUEST'); // Role::GUEST
Role::tryFrom('NEVER'); // null
```

#### Use the `fromName()` method

[](#use-the-fromname-method)

```
TaskStatus::fromName('INCOMPLETE'); // TaskStatus::INCOMPLETE
TaskStatus::fromName('MISSING'); // Error: ValueError
Role::fromName('SUBSCRIBER'); // Role::SUBSCRIBER
Role::fromName('HACKER'); // Error: ValueError
```

#### Use the `tryFromName()` method

[](#use-the-tryfromname-method)

```
TaskStatus::tryFromName('COMPLETED'); // TaskStatus::COMPLETED
TaskStatus::tryFromName('NOTHING'); // null
Role::tryFromName('GUEST'); // Role::GUEST
Role::tryFromName('TESTER'); // null
```

### AsMetadableEnum

[](#asmetadableenum)

This trait lets you add metadata to enum cases.

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-6)

```
use App\Enums\MetaProperties\Color;
use Phil\Enums\AsMetadableEnum;
use Phil\Enums\Attribute\Description;
use Phil\Enums\Attribute\Meta;

#[Meta(Description::class, Color::class)]
enum TaskStatus: int
{
    use AsMetadableEnum;

    #[Description('Incomplete Task')] #[Color('red')]
    case INCOMPLETE = 0;

    #[Description('Completed Task')] #[Color('green')]
    case COMPLETED = 1;

    #[Description('Canceled Task')] #[Color('gray')]
    case CANCELED = 2;
}
```

Explanation:

- `Description` is an exemple that we do provide as a class attributes for meta properties
- `Color` is userland class attributes — meta properties
- The `#[Meta]` call enables those two meta properties on the enum
- Each case must have a defined description & color (in this example)

#### Access the metadata

[](#access-the-metadata)

```
TaskStatus::INCOMPLETE->description(); // 'Incomplete Task'
TaskStatus::COMPLETED->color(); // 'green'
```

#### Creating meta properties

[](#creating-meta-properties)

Each meta property (= attribute used on a case) needs to exist as a class.

```
#[Attribute]
class Color extends MetaProperty {}

#[Attribute]
class Description extends MetaProperty {}
```

Inside the class, you can customize a few things. For instance, you may want to use a different method name than the one derived from the class name (`Description` becomes `description()` by default). To do that, override the `method()` method on the meta property:

```
#[Attribute]
class Description extends MetaProperty
{
    public static function method(): string
    {
        return 'note';
    }
}
```

With the code above, the description of a case will be accessible as `TaskStatus::INCOMPLETE->note()`.

Another thing you can customize is the passed value. For instance, to wrap a color name like `text-{$color}-500`, you'd add the following `transform()` method:

```
#[Attribute]
class Color extends MetaProperty
{
    protected function transform(mixed $value): mixed
    {
        return "text-{$value}-500";
    }
}
```

And now the returned color will be correctly transformed:

```
TaskStatus::COMPLETED->color(); // 'text-green-500'
```

You can also add a `defaultValue()` method to specify the value a case should have if it doesn't use the meta property. That way you can apply the attribute only on some cases and still get a configurable default value on all other cases.

#### Use the `fromMeta()` method

[](#use-the-frommeta-method)

```
TaskStatus::fromMeta(Color::make('green')); // TaskStatus::COMPLETED
TaskStatus::fromMeta(Color::make('blue')); // Error: ValueError
```

#### Use the `tryFromMeta()` method

[](#use-the-tryfrommeta-method)

```
TaskStatus::tryFromMeta(Color::make('green')); // TaskStatus::COMPLETED
TaskStatus::tryFromMeta(Color::make('blue')); // null
```

#### Included Meta Properties

[](#included-meta-properties)

##### Description

[](#description)

#### Group

[](#group)

#### Recommendation: use annotations and traits

[](#recommendation-use-annotations-and-traits)

If you'd like to add better IDE support for the metadata getter methods, you can use `@method` annotations:

```
/**
 * @method string description()
 * @method string color()
 */
#[Meta(Description::class, Color::class)]
enum TaskStatus: int
{
    use Metadata;

    #[Description('Incomplete Task')] #[Color('red')]
    case INCOMPLETE = 0;

    #[Description('Completed Task')] #[Color('green')]
    case COMPLETED = 1;

    #[Description('Canceled Task')] #[Color('gray')]
    case CANCELED = 2;
}
```

And if you're using the same meta property in multiple enums, you can create a dedicated trait that includes this `@method` annotation.

### AsStringSelectableEnum

[](#asstringselectableenum)

The trait adds the `stringOptions()` method that can be used for generating convenient string representations of your enum options.

#### Apply the trait on your enum

[](#apply-the-trait-on-your-enum-7)

```
use Phil\Enums\AsStringSelectableEnumTrait;

enum TaskStatus: int
{
    use AsStringSelectableEnumTrait;

    case INCOMPLETE = 0;
    case COMPLETED = 1;
    case CANCELED = 2;
}

enum Role
{
    use AsStringSelectableEnumTrait;

    case ADMINISTRATOR;
    case SUBSCRIBER;
    case GUEST;
}
```

#### stringOptions()

[](#stringoptions)

The trait adds the `stringOptions()` method that can be used for generating convenient string representations of your enum options:

```
// First argument is the callback, second argument is glue
// returns "INCOMPLETE => 0, COMPLETED => 1, CANCELED => 2"
TaskStatus::stringOptions(fn ($name, $value) => "$name => $value", ', ');
```

For pure enums (non-backed), the name is used in place of `$value` (meaning that both `$name` and `$value` are the same).

Both arguments for this method are optional, the glue defaults to `\n` and the callback defaults to generating HTML `` tags:

```
// Incomplete
// Completed
// Canceled
TaskStatus::stringOptions(); // backed enum

// Administrator
// Subscriber
// Guest
Role::stringOptions(); // pure enum
```

PHPStan
-------

[](#phpstan)

To assist PHPStan when using invokable cases, you can include the PHPStan extensions into your own `phpstan.neon` file:

```
includes:
  - ./vendor/ph-il/enums/extension.neon
```

*Note: If you have installed [`phpstan/extension-installer`](https://github.com/phpstan/extension-installer#usage), the extension is automatically included.*

Development
-----------

[](#development)

Run all checks locally:

```
./check
```

Code style will be automatically fixed by php-cs-fixer.

Todo
----

[](#todo)

- Version 0.2.0
    - Tests
    - Add Castor and all lints/scans used by ph-il projects
    - Add self-awareness
        - isPure
        - isBacked
        - isBackedBy
            - Integer
            - String
- Version 0.3.0
    - Add operations
        - count
        - first
            - with or without filter via callback
        - Add Filtering and Sorting

###  Health Score

36

—

LowBetter than 82% of packages

Maintenance84

Actively maintained with recent releases

Popularity8

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity40

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 ~10 days

Total

2

Last Release

78d ago

PHP version history (2 changes)0.1.0PHP ^8.1

0.2.0PHP ^8.3

### Community

Maintainers

![](https://www.gravatar.com/avatar/ef4519e787b0e7b195d93d2f70f62fb1d811e06ef8b65389a24aed2e8abeb12b?d=identicon)[phil](/maintainers/phil)

---

Top Contributors

[![ph-il](https://avatars.githubusercontent.com/u/80009?v=4)](https://github.com/ph-il "ph-il (21 commits)")

---

Tags

enumenumeration

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan, Rector

Type Coverage Yes

### Embed Badge

![Health badge](/badges/ph-il-enums/health.svg)

```
[![Health](https://phpackages.com/badges/ph-il-enums/health.svg)](https://phpackages.com/packages/ph-il-enums)
```

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