(PECL gupnp >= 0.1.0)
gupnp_context_unhost_path — Stop hosting
$context
   , string $server_path
   ) : bool
   Stop hosting the file or folder at server_path.
  
contextA context identifier, returned by gupnp_context_new().
server_pathWeb server path where the file or folder is hosted.
   成功时返回 TRUE, 或者在失败时返回 FALSE。