PHP Manual
Gupnp 函数
Sets a function to be called at regular intervals

gupnp_context_timeout_add

(PECL gupnp >= 0.1.0)

gupnp_context_timeout_add — Sets a function to be called at regular intervals

说明

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

Sets a function to be called at regular intervals.

参数

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.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

范例

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);

?>

错误／异常

Issues E_WARNING with not valid callback function.

参见

gupnp_context_new() - Create a new context

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