php教程

The HRTime\Unit class

(PECL hrtime >= 0.4.3)

简介

类摘要

HRTime\Unit {
/* Constants */
const integer SECOND = 0 ;
const integer MILLISECOND = 1 ;
const integer MICROSECOND = 2 ;
const integer NANOSECOND = 3 ;
/* 方法 */
}

预定义常量

HRTime\Unit::SECOND

HRTime\Unit::MILLISECOND

HRTime\Unit::MICROSECOND

HRTime\Unit::NANOSECOND

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