Cviebrock\EloquentTaggable\Services\TagService::buildTagArray PHP Метод

    public function buildTagArray($tags)
    {
        if (is_array($tags)) {
            return $tags;
        }
        if (is_string($tags)) {
            return preg_split('#[' . preg_quote(config('taggable.delimiters'), '#') . ']#', $tags, null, PREG_SPLIT_NO_EMPTY);
        }
        return (array) $tags;
    }