HRTime\PerformanceCounter::start

(PECL hrtime >= 0.4.3)

HRTime\PerformanceCounter::start — Start time measurement

public void HRTime\PerformanceCounter::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.

此函数没有参数。

Returns void.