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Enum Extension for Yii2

Enum implementation for Yii Framework 2.0

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Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist yii2mod/yii2-enum "*"

or add

"yii2mod/yii2-enum": "*"

to the require section of your composer.json file.

Available Methods:

• createByName() - Creates a new type instance using the name of a value.
• getValueByName() - Returns the constant key by value(label)
• createByValue() - Creates a new type instance using the value.
• listData() - Returns the associative array with constants values and labels
• getLabel()- Returns the constant label by key
• getConstantsByName() - Returns the list of constants (by name) for this type.
• getConstantsByValue() - Returns the list of constants (by value) for this type.
• isValidName() - Checks if a name is valid for this type.
• isValidValue() - Checks if a value is valid for this type.

Declaration

<?php

namespace app\models\enums;

use yii2mod\enum\helpers\BaseEnum;

class PostStatus extends BaseEnum
{
 const PENDING = 0;
 const APPROVED = 1;
 const REJECTED = 2;
 const POSTPONED = 3;
 
 /**
 * @var string message category
 * You can set your own message category for translate the values in the $list property
 * Values in the $list property will be automatically translated in the function `listData()`
 */
 public static $messageCategory = 'app';
 
 /**
 * @var array
 */
 public static $list = [
 self::PENDING => 'Pending',
 self::APPROVED => 'Approved',
 self::REJECTED => 'Rejected',
 self::POSTPONED => 'Postponed',
 ];
}

Enum creation

$status = new PostStatus(PostStatus::PENDING);

// or you can use the magic methods

$status = PostStatus::PENDING();

Static methods

PostStatus::getConstantsByValue() // ['PENDING', 'APPROVED', 'REJECTED', 'POSTPONED']
PostStatus::getConstantsByName() // ['PENDING' => 0, 'APPROVED' => 1, 'REJECTED' => 2, 'POSTPONED' => 3]
PostStatus::isValidName(1) // false
PostStatus::isValidName('APPROVED') // true
PostStatus::isValidValue(1) // true
PostStatus::isValidValue('Approved') // false
PostStatus::listData() // ['Pending', 'Approved', 'Rejected', 'Postponed']
PostStatus::getLabel(1) // Approved
PostStatus::getValueByName('Approved') // 1

Type-Hint and Validation Rules

<?php

use models\enums\PostStatus;
use yii\db\ActiveRecord;

class CommentModel extends ActiveRecord
{
 public function rules()
 {
 return [
 ['status', 'default', 'value' => PostStatus::APPROVED],
 ['status', 'in', 'range' => PostStatus::getConstantsByName()],
 ];
 }

 public function setStatus(PostStatus $status)
 {
 $this->status = $status->getValue();
 }

 public function getStatus()
 {
 return $this->status;
 }
}