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

php eio 函数 can be to be called whenever there are pending requests that need finishing php grapheme 函数 function to extract a sequence of default grapheme clusters from a text buffer which must be encoded in utf 8 php gupnp 函数 sets the event subscription timeout php gupnp 函数 sets a function to be called at regular intervals php gupnp 函数 set device callback function php gupnp 函数 retrieves the specified action arguments php gupnp 函数 sets the specified action return values php gupnp 函数 sets up callback for variable change notification php firebird/interbase 函数 register a callback function to be called when events are posted php ncurses 函数 sets function key labels php phpdbg 函数 inserts a breakpoint at entry to a function php sqlite 函数 registers a regular user defined function for use in sql statements php sybase 函数 sets the handler called when a server message is raised php uopz 函数 creates a function at runtime php uopz 函数 rename a function at runtime php uopz 函数 sets hook to execute when entering a function or method php uopz 函数 sets the static variables in function or method scope php gearmanclient set a function to be called on task completion php mongolog sets a callback function to be invoked for events php swoole server shutdown the master server process this function can be called in worker processes.