PHP - Manual: HRTime\PerformanceCounter::getFrequency
2024-11-13
(PECL hrtime >= 0.4.3)
HRTime\PerformanceCounter::getFrequency — Timer frequency in ticks per second
Returns the timer frequency in ticks per second. This value is constant after the system start on almost any operating system.
此函数没有参数。
Returns int indicating the timer frequency.
官方地址:https://www.php.net/manual/en/hrtime-performancecounter.getfrequency.php