PHP Manual
Eio 函数
Returns number of requests to be processed

eio_nreqs

(PECL eio >= 0.0.1dev)

eio_nreqs — Returns number of requests to be processed

说明

eio_nreqs ( void ) : int

eio_nreqs() could be called in a custom loop calling eio_poll().

参数

此函数没有参数。

返回值

eio_nreqs() returns number of requests to be processed.

范例

Example #1 eio_nreqs() example

 <?php
function res_cb($data, $result) {
    var_dump($data);
    var_dump($result);
}

eio_nop(EIO_PRI_DEFAULT, "res_cb", "1");
eio_nop(EIO_PRI_DEFAULT, "res_cb", "2");
eio_nop(EIO_PRI_DEFAULT, "res_cb", "3");

while (eio_nreqs()) {
    eio_poll();
}
?>

以上例程的输出类似于：

string(1) "1"
int(0)
string(1) "3"
int(0)
string(1) "2"
int(0)

参见

eio_poll
eio_nready

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