gupnp_service_proxy_callback_set
Set service proxy callback for signal
Description
bool gupnp_service_proxy_callback_set
( resource $proxy
, int $signal
, mixed $callback
[, mixed $arg
] )
Parameters
-
proxy
-
A service proxy identifier.
-
signal
-
The value of signal.
-
GUPNP_SIGNAL_SUBSCRIPTION_LOST
-
Emitted whenever the subscription to this service has been lost due
to an error condition.
-
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.
Return Values
Returns TRUE on success or FALSE on failure.
Errors/Exceptions
Issues E_WARNING either with not valid callback function or with not valid signal.