Api\StarterKit\Enums\Enum::getCode PHP Method

    public static function getCode($label, $isLower = false)
    {
        $class = new ReflectionClass(get_called_class());
        $constants = $class->getConstants();
        if ($isLower) {
            return $constants[strtoupper($label)];
        }
        return $constants[$label];
    }