International PHP Conference 2019 - Spring Edition

HRTime\StopWatch::start

(PECL hrtime >= 0.4.3)

HRTime\StopWatch::startStart time measurement

说明

public void 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.

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