gupnp_root_device_get_available

(PECL gupnp >= 0.1.0)

gupnp_root_device_get_available — Check whether root device is available

gupnp_root_device_get_available ( resource $root_device ) : bool

Get whether or not root_device is available (announcing its presence).

root_device: A root device identifier, returned by gupnp_root_device_new().

成功时返回 TRUE，或者在失败时返回 FALSE。

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