Imdb\Title::sound PHP Метод

    public function sound()
    {
        if (empty($this->sound)) {
            $this->getPage("Title");
            if (preg_match_all("|/search/title\\?sound_mixes=.+?\\s.+?>\\s*(.*?)<|", $this->page["Title"], $matches)) {
                $this->sound = $matches[1];
            }
        }
        return $this->sound;
    }