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 ] )

Set service proxy callback for signal.

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.