(PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)
streamWrapper::dir_closedir — Close directory handle
This method is called in response to closedir().
Any resources which were locked, or allocated, during opening and use of the directory stream should be released.
此函數沒(méi)有參數。
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。