文字
HRTime\PerformanceCounter::getFrequency
(PECL hrtime >= 0.4.3)
HRTime\PerformanceCounter::getFrequency — Timer frequency in ticks per second
说明
public int HRTime\PerformanceCounter::getFrequency
( void
)
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.