PHP Doku:: Sets up callback for variable change notification - function.gupnp-service-proxy-add-notify.html

Beschreibung

bool gupnp_service_proxy_add_notify ( resource $proxy , string $value , int $type , mixed $callback [, mixed $arg ] )

Sets up callback to be called whenever a change notification for variable is recieved.

Parameter-Liste

proxy

A service proxy identifier.

value

The variable to add notification for.

type

The type of the variable. Type can be one of the following values:

GUPNP_TYPE_BOOLEAN: Type of the variable is boolean.
GUPNP_TYPE_INT: Type of the variable is integer.
GUPNP_TYPE_LONG: Type of the variable is long.
GUPNP_TYPE_DOUBLE: Type of the variable is double.
GUPNP_TYPE_FLOAT: Type of the variable is float.
GUPNP_TYPE_STRING: Type of the variable is string.

callback

The callback to call when variable changes. Typically, callback function takes on three parameters. The variable parameter being the first, value parameter being the second, and the arg is third.

arg

User data for callback.

Rückgabewerte

Gibt bei Erfolg TRUE zurück. Im Fehlerfall wird FALSE zurückgegeben.

Siehe auch

gupnp_service_proxy_remove_notify() - Cancels the variable change notification

Ein Service von Reinhard Neidl - Webprogrammierung.

gupnp_service_proxy_add_notify

Beschreibung

Parameter-Liste

Rückgabewerte

Siehe auch