upyun / php-sdk

     * @return bool 创建成功返回 true，否则返回 false

     * @throws \Exception

     */

    public function createDir($path)

    {

        $path = rtrim($path, '/') . '/';

        $req = new Rest($this->config);

        $res = $req->request('POST', $path)

            ->withHeader('folder', 'true')

            ->send();

        return $res->getStatusCode() === 200;

    }

    /**

     * 删除文件或者目录

     * @return string 存储使用量，单位字节

     * @throws \Exception

     */

    public function usage($path = '/')

    {

        $path = rtrim($path, '/') . '/';

        $req = new Rest($this->config);

        $response = $req->request('GET', $path . '?usage')

            ->send();

        return $response->getBody()->getContents();

    }

    /**

     * 复制文件。只能操作文件，不能操作文件夹。