private function getArrayValue(array $array)
    {
        $value = [];
        foreach ($array as $item) {
            if ($item instanceof Keyword) {
                $item = $this->getKeyword($item);
            }
            $value[] = trim(str_replace(array("\n", "\r"), '', strip_tags('' . $item)));
        }

        array_walk($value, function(&$item) { return trim(str_replace(array("\n", "\r"), '', strip_tags('' . $item))); });

        return implode(',', array_filter($value));
    }