public function getOtherLangLinks($i = null)
    {
        $wiki_api = $this->base_api . 'action=query&prop=langlinks&llprop=url&pageids=' . $this->getId();
        $json_wapi = json_decode(file_get_contents($wiki_api), true);

        return $this->get_list_or_item($json_wapi['query']['pages'], 'langlinks', $i, []);
    }