Imdb\Title::genre PHP Method

    public function genre()
    {
        if (empty($this->main_genre)) {
            if (empty($this->moviegenres)) {
                $genres = $this->genres();
            }
            if (!empty($genres)) {
                $this->main_genre = $this->moviegenres[0];
            }
        }
        return $this->main_genre;
    }