Power Enum Classes in PHP

This lightweight package provides a Trait that allows you to fully utilize Enum classes in your PHP projects, particularly in modern PHP frameworks like Laravel.

Installation

NOTE: As Enum was introduced in PHP 8.1, this package requires a minimum PHP version of 8.1.

You can install the package via composer:

composer require azimkordpour/power-enum

Usage Instructions

To use the PowerEnum trait in your Enum class, simply import it like this:

<?php

use AzimKordpour\PowerEnum\Traits\PowerEnum;

enum PostStatus: string
{
    use PowerEnum;

    case Active = 'active';
    case Inactive = 'inactive';
}

Now, let's take a closer look at the methods.

In Laravel

Eloquent allows you to cast your attribute values to PHP Enums.

 <?php
 
namespace App\Models;

use App\Enums\PostStatus; 
use Illuminate\Database\Eloquent\Model;

class Post extends Model
{
    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'status' => PostStatus::class,
    ];
}

Then, you can use it like the below examples.

Check if the status of the model is active:

$post = Post::find(1);

// The status is active.
$post->status->isActive();

Returns boolean:

true

Check if the status of the model equals the given value:

$post = Post::find(1);

// The status is active.
$post->status->equals(PostStatus::Active);

Returns boolean:

false

This method works like equals:

$post = Post::find(1);

// The status is active.
$post->status->is(PostStatus::Active);

Returns boolean:

false

Get the label of the status:

$post = Post::find(1);

// The status is active.
$post->status->label();

Returns the value of the case if you have not set labels:

"active"

For setting custom labels and Seeing all methods in PHP projects, take a look at the next section.

All Methods

Get the values of PostStatus statically:

PostStatus::values();

Returns an array:

[
    'active',
    'inactive'
]

Get the names of PostStatus statically:

PostStatus::names();

Returns an array:

[
    'Active',
    'Inactive'
]

Get the names and values of PostStatus statically:

PostStatus::list();

Returns an array:

[
    'Active' => 'active',
    'Inactive' => 'inactive'
]

Check if the case is the active one:

PostStatus::from('active')->isActive();

Returns boolean:

true

Check if the case equals the given value:

PostStatus::Active->equals(AnotherEnum::Example);

Returns boolean:

false

This method works like equals:

PostStatus::Active->is(AnotherEnum::Example);

Returns boolean:

false

Initiate the class from name:

PostStatus::fromName('Active');

Returns the Enum object:

PostStatus::Active

Get the label of the case:

PostStatus::Active->label();

Returns the value of the case if you have not set labels:

"active"

Get the labels of the cases:

PostStatus::Active->getLabels();

Returns the values of the cases if you have not set labels:

[
    'active' => 'active',
    'inactive' => 'inactive'
]

You can write custom label for the cases in your Enum class:

/**
 * Set the labels of all the cases.
 */
 public static function setLabels(): array
 {
    return [
        self::Active->value => 'published post',
        self::Inactive->value => 'draft post',
    ];
 }

Then, the method of label:

PostStatus::Active->label();

Returns:

"published post"

And the method of getLabels:

PostStatus::Active->getLables();

Returns:

[
    'active' => 'published post',
    'inactive' => 'draft post'
]

Testing

composer test