MessageStatus.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Main\Messenger\Internals\Storage\Db\Model;
 
enum MessageStatus: string
{
    case New = 'new';
    case Processing = 'processing';

    public static function getValues(): array
    {
        $values = [];
 
        foreach (self::cases() as $case)
        {
            $values[] = $case->value;
        }
 
        return $values;
    }
}