Longman\TelegramBot\Botan::shortenUrl PHP Méthode

    public static function shortenUrl($url, $user_id)
    {
        if (empty(self::$token)) {
            return $url;
        }
        if (empty($user_id)) {
            throw new TelegramException('User id is empty!');
        }
        $cached = BotanDB::selectShortUrl($user_id, $url);
        if (!empty($cached[0]['short_url'])) {
            return $cached[0]['short_url'];
        }
        $request = str_replace(['#TOKEN', '#UID', '#URL'], [self::$token, $user_id, urlencode($url)], self::$shortener_url);
        $options = ['http' => ['ignore_errors' => true, 'timeout' => 3]];
        $context = stream_context_create($options);
        $response = @file_get_contents($request, false, $context);
        if (!filter_var($response, FILTER_VALIDATE_URL) === false) {
            BotanDB::insertShortUrl($user_id, $url, $response);
        } else {
            TelegramLog::debug('Botan.io API replied with error: ' . $response);
            return $url;
        }
        return $response;
    }