Sets a function to be called at regular intervals

gupnp_context_set_subscription_timeout
gupnp_context_unhost_path
Gupnp Functions
PHP Manual

# gupnp_context_timeout_add

(PECL gupnp >= 0.1.0)

gupnp_context_timeout_add — Sets a function to be called at regular intervals

### Description

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

Sets a function to be called at regular intervals.

### Parameters

`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`.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

Example #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);
?>`

### Errors/Exceptions

Issues E_WARNING with not valid callback function.

### See Also

- gupnp_context_new() - Create a new context

gupnp_context_set_subscription_timeout
gupnp_context_unhost_path
Gupnp Functions
PHP Manual