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<HRTime\StopWatch::isRunningHRTime\StopWatch::stop>
^HRTime\StopWatchLast updated: Mon, 26 Oct 2026

HRTime\StopWatch::start

(PECL hrtime >= 0.4.3)

HRTime\StopWatch::start — Start time measurement

Description

public function 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.

Parameters

This function has no parameters.

Return Values

Returns void.


<HRTime\StopWatch::isRunningHRTime\StopWatch::stop>
^HRTime\StopWatchLast updated: Mon, 26 Oct 2026