gupnp_service_proxy_callback_set(3) php man page | unix.com

GUPNP_SERVICE_PROXY_CALLBACK_SET(3)					 1				       GUPNP_SERVICE_PROXY_CALLBACK_SET(3)

gupnp_service_proxy_callback_set - Set service proxy callback for signal

SYNOPSIS
       bool gupnp_service_proxy_callback_set (resource	$proxy, int  $signal, mixed  $callback, [mixed	$arg])

DESCRIPTION
	Set service proxy callback for signal.

PARAMETERS
	      o $proxy
		- A service proxy identifier.

	      o $signal
		- The value of signal.

		     o GUPNP_SIGNAL_SUBSCRIPTION_LOST - Emitted whenever the subscription to this service has been lost due to an error condition.

	      o $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.

	      o $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.

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