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PHP time_nanosleep() 函數使用介紹

2020-07-10 11:49:04
字體:
來源:轉載
供稿:網友
定義和用法
time_nanosleep() 函數延遲代碼執行若干秒和納秒。

語法
time_nanosleep(seconds,nanoseconds)

參數 描述
seconds 必需。必須是正整數。
nanoseconds 必需。必須是小于 10 億的正整數。

說明
延遲程序執行指定的 seconds 和 nanoseconds 數。

返回值
如果成功則返回 TRUE,失敗則返回 FALSE

如果延遲被一個信號中斷,將返回帶有以下組件的關聯數組:

seconds - 延遲中剩余的秒數
nanoseconds - 延遲中剩余的納秒數

提示和注釋

注釋:本函數未在 Windows 平臺下實現。

例子


復制代碼
代碼如下:

<?php
if (time_nanosleep(3,500000000) === true)
{
echo "暫停 3 秒半";
}
?>
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