gupnp_context_timeout_add

(PECL gupnp >= 0.1.0)

gupnp_context_timeout_add — Sets a function to be called at regular intervals

Beschreibung

gupnp_context_timeout_add ( resource $context , int $timeout , mixed $callback [, mixed $arg ] ) : bool

Sets a function to be called at regular intervals.

Parameter-Liste

context

A context identifier, returned by gupnp_context_new().

timeout

A timeout in miliseconds.

callback

The callback function calling every timeout period of time. Typically, callback function takes on arg parameter.

arg

User data for callback.

Rückgabewerte

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

Beispiele

Beispiel #1 Create new UPnP context and set callback

<?php

$user_data = "user data";

function timeout_cb($arg)
{
    printf("Call timeout_cb, user data: '%s'", $arg);
    return true;
}

/* Create the UPnP context */
$context = gupnp_context_new();

if (!$context) {
 die("Error creating the GUPnP context\n");
}

/* Create root device */
$dev = gupnp_root_device_new($context, "/devicedesc.xml");

/* Set callback for timeout */
gupnp_context_timeout_add($context, 5000, "timeout_cb", $user_data);

/* Run the main loop */
gupnp_root_device_start($dev);

?>

Fehler/Exceptions

Issues E_WARNING with not valid callback function.

Siehe auch