php教程

HRTime\StopWatch::start

(PECL hrtime >= 0.4.3)

HRTime\StopWatch::start — Start time measurement

说明

public HRTime\StopWatch::start ( void ) : void

Starts the time measurement. It has no effect if the measurement was already started. The measurement will be continued if it was previously stopped.

参数

此函数没有参数。

返回值

Returns void.

User Contributed Notes

There are no user contributed notes for this page.

CopyRight © 2008-2022 verySource.Com All Rights reserved.　京ICP备17048824号-1　京公网安备：11010502034788