略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: HRTime\StopWatch::start

2026-10-03

HRTime\StopWatch::start

(PECL hrtime >= 0.4.3)

HRTime\StopWatch::start — Start time measurement

说明

public HRTime\StopWatch::start(): 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.

+添加备注

用户贡献的备注

此页面尚无用户贡献的备注。

官方地址:https://www.php.net/manual/en/hrtime-stopwatch.start.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3