(PECL gupnp >= 0.1.0)
gupnp_service_notify — Notifies listening clients
Notifies listening clients that the property have changed to the specified values.
A service identifier.
The name of the variable.
The type of the variable. Type can be one of the following values:
The value of the variable.
成功时返回 TRUE, 或者在失败时返回 FALSE.
Issues E_WARNING with either not correctly defined type of the variable or the value is not corresponding to the defined type.