(PECL gupnp >= 0.1.0)
gupnp_service_proxy_callback_set — Set service proxy callback for signal
Set service proxy callback for signal.
A service proxy identifier.
The value of signal.
The callback function for the certain signal. Typically, callback function takes on two parameters. error parameter's message being the first, and the arg is second.
User data for callback.
Gibt bei Erfolg TRUE zurück. Im Fehlerfall wird FALSE zurückgegeben.
Issues E_WARNING either with not valid callback function or with not valid signal.