HRTime\PerformanceCounter
PHP Manual

HRTime\PerformanceCounter::getFrequency

Timer frequency in ticks per second

Description

public static 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.

Parameters

This function has no parameters.

Return Values

Returns integer indicating the timer frequency.