likeshop.project/app/common/service/TimeService.php

<?php
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namespace app\common\service;


class TimeService
{
    /**
     * 返回今日开始和结束的时间戳
     *
     * @return array
     */
    public static function today(){
        list($y, $m, $d) = explode('-', date('Y-m-d'));
        return [
            mktime(0, 0, 0, $m, $d, $y),
            mktime(23, 59, 59, $m, $d, $y),
        ];
    }

    /**
     * 返回昨日开始和结束的时间戳
     *
     * @return array
     */
    public static function yesterday(){
        $yesterday = date('d') - 1;
        return [
            mktime(0, 0, 0, date('m'), $yesterday, date('Y')),
            mktime(23, 59, 59, date('m'), $yesterday, date('Y')),
        ];
    }

    /**
     * 返回本周开始和结束的时间戳
     *
     * @return array
     */
    public static function week(){
        list($y, $m, $d, $w) = explode('-', date('Y-m-d-w'));
        if($w == 0) $w = 7; //修正周日的问题
        return [
            mktime(0, 0, 0, $m, $d - $w + 1, $y), mktime(23, 59, 59, $m, $d - $w + 7, $y),
        ];
    }

    /**
     * 返回上周开始和结束的时间戳
     *
     * @return array
     */
    public static function lastWeek(){
        $timestamp = time();
        return [
            strtotime(date('Y-m-d', strtotime("last week Monday", $timestamp))),
            strtotime(date('Y-m-d', strtotime("last week Sunday", $timestamp))) + 24 * 3600 - 1,
        ];
    }

    /**
     * 返回本月开始和结束的时间戳
     *
     * @return array
     */
    public static function month(){
        list($y, $m, $t) = explode('-', date('Y-m-t'));
        return [
            mktime(0, 0, 0, $m, 1, $y),
            mktime(23, 59, 59, $m, $t, $y),
        ];
    }

    /**
     * 返回上个月开始和结束的时间戳
     *
     * @return array
     */
    public static function lastMonth(){
        $y = date('Y');
        $m = date('m');
        $begin = mktime(0, 0, 0, $m - 1, 1, $y);
        $end = mktime(23, 59, 59, $m - 1, date('t', $begin), $y);

        return [$begin, $end];
    }

    /**
     * 返回今年开始和结束的时间戳
     *
     * @return array
     */
    public static function year(){
        $y = date('Y');
        return [
            mktime(0, 0, 0, 1, 1, $y),
            mktime(23, 59, 59, 12, 31, $y),
        ];
    }

    /**
     * 返回去年开始和结束的时间戳
     *
     * @return array
     */
    public static function lastYear(){
        $year = date('Y') - 1;
        return [
            mktime(0, 0, 0, 1, 1, $year),
            mktime(23, 59, 59, 12, 31, $year),
        ];
    }

    /**
     * 获取几天前零点到现在/昨日结束的时间戳
     *
     * @param int  $day 天数
     * @param bool $now 返回现在或者昨天结束时间戳
     * @return array
     */
    public static function dayToNow($day = 1, $now = true){
        $end = time();
        if(!$now){
            list($foo, $end) = self::yesterday();
        }

        return [
            mktime(0, 0, 0, date('m'), date('d') - $day, date('Y')),
            $end,
        ];
    }

    /**
     * 返回几天前的时间戳
     *
     * @param int $day
     * @return int
     */
    public static function daysAgo($day = 1){
        $nowTime = time();
        return $nowTime - self::daysToSecond($day);
    }

    /**
     * 返回几天后的时间戳
     *
     * @param int $day
     * @return int
     */
    public static function daysAfter($day = 1){
        $nowTime = time();
        return $nowTime + self::daysToSecond($day);
    }

    /**
     * 天数转换成秒数
     *
     * @param int $day
     * @return int
     */
    public static function daysToSecond($day = 1){
        return $day * 86400;
    }

    /**
     * 周数转换成秒数
     *
     * @param int $week
     * @return int
     */
    public static function weekToSecond($week = 1){
        return self::daysToSecond() * 7 * $week;
    }

    /**
     * 获取毫秒级别的时间戳
     */
    public static function getMillisecond(){
        $time = explode(" ", microtime());
        $time = $time[1].($time[0] * 1000);
        $time2 = explode(".", $time);
        $time = $time2[0];
        return $time;
    }
}