(PECL gupnp >= 0.1.0)
Set service proxy callback for signal
bool gupnp_service_proxy_callback_set ( resource $proxy, int $signal, mixed $callback [, mixed $arg ] )
Set service proxy callback for signal.
Parameters:
proxy
A service proxy identifier.
signal
The value of signal.
callback
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.
arg
User data for callback.
Returns:
Returns TRUE on success or FALSE on failure.
Exception:
Issues E_WARNING either with not valid callback function or with not valid signal.
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