# The HRTime\PerformanceCounter class

(PECL hrtime >= 0.4.3)

## はじめに

## クラス概要

HRTime\PerformanceCounter {
/* メソッド */
public static getFrequency ( void ) : int
public static getTicks ( void ) : int
public static getTicksSince ( int `$start` ) : int
}

## 目次

- HRTime\PerformanceCounter::getFrequency — Timer frequency in ticks per second
- HRTime\PerformanceCounter::getTicks — Current ticks from the system
- HRTime\PerformanceCounter::getTicksSince — Ticks elapsed since the given value