PHP Manual
HRTime\PerformanceCounter
Timer frequency in ticks per second

HRTime\PerformanceCounter::getFrequency

(PECL hrtime >= 0.4.3)

HRTime\PerformanceCounter::getFrequency — Timer frequency in ticks per second

说明

public static HRTime\PerformanceCounter::getFrequency ( void ) : int

Returns the timer frequency in ticks per second. This value is constant after the system start on almost any operating system.

参数

此函数没有参数。

返回值

Returns integer indicating the timer frequency.

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