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.