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.