背景

工作的过程中经常会遇到各种时间类的操作，因此封装了一个帮助工具类，提高代码的复用率

主要功能

根据相差的天数获取连续的时间段

/**

     * 根据相差的天数获取所有连续的时间段

     * @param $diffDay

     * @param string $dateFormat

     * @return array

     */

    public static function getContinuesDayDiffDay($diffDay, $dateFormat = 'Y-m-d') {

        $today = date('Y-m-d');

        $timeLabel = [];

        for ($i=1;$i<=$diffDay;$i++){

            $diff = $diffDay - $i;

            $mday = date($dateFormat,strtotime("$today -$diff day"));

            array_push($timeLabel,$mday);

        }

        //转化查询条件

        $year = date('Y');

        $startDay = str_replace('.','-',$timeLabel[0]);

        $endDay = str_replace('.','-',$timeLabel[$diffDay-1]);

        $startTime = strtotime($startDay." 00:00:00");

        $endTime = strtotime($endDay." 23:59:59");

        return [

            'start_time' => $startTime,

            'end_time' => $endTime,

            'time_label' => $timeLabel,

        ];

    }

根据两个日期获取连续的时间段

/**

     * 根据开始和结束时间获取所有连续的时间段

     * @param string $startDay 开始日期 格式：Y-m-d

     * @param string $endDay 开始日期 格式：Y-m-d

     * @param string $dateFormat

     * @return array

     */

    public static function getContinuesDayByRange($startDay, $endDay, $dateFormat = 'Y-m-d') {

        $timeLabel = [];

        if(strtotime($startDay) > strtotime($endDay)){

            $tmp = $startDay;

            $endDay = $tmp;

            $startDay = $endDay;

        }

        if($startDay == $endDay){

            array_push($timeLabel,$startDay);

            $startTime = strtotime($startDay." 00:00:00");

            $endTime = strtotime($endDay." 23:59:59");

            $timeLabel =  [

                'start_time' => $startTime,

                'end_time' => $endTime,

                'time_label' => $timeLabel,

            ];

            return $timeLabel;

        }

        $targetDay = $startDay;

        while ($targetDay != $endDay){

            array_push($timeLabel,$targetDay);

            $targetDay = date($dateFormat,strtotime("$targetDay +1 day"));

        }

        array_push($timeLabel,$endDay);

        //增加

        $startTime = strtotime($startDay." 00:00:00");

        $endTime = strtotime($endDay." 23:59:59");

        $timeLabel =  [

            'start_time' => $startTime,

            'end_time' => $endTime,

            'time_label' => $timeLabel,

        ];

        return $timeLabel;

    }

根据日期获取当月的开始时间和结束时间

 /**

     * 根据日期获取本月的开始时间和结束时间

     * @param $date   Y-m    2017-10

     * @return array

     */

    public static function getMonthDaysByDate($date) {

        $data = [];

        $timestamp = strtotime( $date );

        $data['start_time'] = date( 'Y-m-01 00:00:00', $timestamp );

        $mdays = date( 't', $timestamp );

        $data['end_time'] = date( 'Y-m-' . $mdays . ' 23:59:59', $timestamp );

        return $data;

    }

时间友好格式化风格

/**

     * 时间友好型提示风格化（即微博中的XXX小时前、昨天等等）

     * 即微博中的 XXX 小时前、昨天等等, 时间超过 $time_limit 后返回按 out_format 的设定风格化时间戳

     * @param  int

     * @param  int

     * @param  string

     * @param  array

     * @param  int

     * @return string

     */

    public static function getFriendlyTime($timestamp, $timeLimit = 604800, $out_format = 'Y/m/d', $formats = null, $now = null){

        /*if (get_setting('time_style') == 'N')

        {

            return date($out_format, $timestamp);

        }*/

        if (!$timestamp)

        {

            return false;

        }

        if ($formats == null)

        {

            $formats = [

                'YEAR' =>'%s 年前',

                'MONTH' => '%s 月前',

                'DAY' => '%s 天前',

                'HOUR' => '%s 小时前',

                'MINUTE' => '%s 分钟前',

                'SECOND' => '%s 秒前'

            ];

        }

        $now = $now == null ? time() : $now;

        $seconds = $now - $timestamp;

        if ($seconds == 0)

        {

            $seconds = 1;

        }

        if (!$timeLimit OR $seconds > $timeLimit)

        {

            return date($out_format, $timestamp);

        }

        $minutes = floor($seconds / 60);

        $hours = floor($minutes / 60);

        $days = floor($hours / 24);

        $months = floor($days / 30);

        $years = floor($months / 12);

        if ($years > 0)

        {

            $diffFormat = 'YEAR';

        }

        else

        {

            if ($months > 0)

            {

                $diffFormat = 'MONTH';

            }

            else

            {

                if ($days > 0)

                {

                    $diffFormat = 'DAY';

                }

                else

                {

                    if ($hours > 0)

                    {

                        $diffFormat = 'HOUR';

                    }

                    else

                    {

                        $diffFormat = ($minutes > 0) ? 'MINUTE' : 'SECOND';

                    }

                }

            }

        }

        $dateDiff = null;

        switch ($diffFormat)

        {

            case 'YEAR' :

                $dateDiff = sprintf($formats[$diffFormat], $years);

                break;

            case 'MONTH' :

                $dateDiff = sprintf($formats[$diffFormat], $months);

                break;

            case 'DAY' :

                $dateDiff = sprintf($formats[$diffFormat], $days);

                break;

            case 'HOUR' :

                $dateDiff = sprintf($formats[$diffFormat], $hours);

                break;

            case 'MINUTE' :

                $dateDiff = sprintf($formats[$diffFormat], $minutes);

                break;

            case 'SECOND' :

                $dateDiff = sprintf($formats[$diffFormat], $seconds);

                break;

        }

        return $dateDiff;

    }

根据日期获取是星期几

/**

     * 获取星期几

     * @param $date

     * @return

     */

    public static function getWeekDay($date) {

        //强制转换日期格式

        $dateStr=date('Y-m-d',strtotime($date));

        //封装成数组

        $arr=explode("-", $dateStr);

        //参数赋值

        //年

        $year=$arr[0];

        //月，输出2位整型，不够2位右对齐

        $month=sprintf('%02d',$arr[1]);

        //日，输出2位整型，不够2位右对齐

        $day=sprintf('%02d',$arr[2]);

        //时分秒默认赋值为0；

        $hour = $minute = $second = 0;

        //转换成时间戳

        $strap = mktime($hour,$minute,$second,$month,$day,$year);

        //获取数字型星期几

        $numberWk=date("w",$strap);

        //自定义星期数组

        $weekArr=array(7,1,2,3,4,5,6);

        //获取数字对应的星期

        return $weekArr[$numberWk];

    }

获取指定日期前后相同时间天数的时间范围

/**

     * 获取指定日期前后相同时间天数的范围时间

     * @param int $dayDiff

     * @param string $day

     * @param string $dateFormat

     * @return array

     */

    public static function getPointDaySameRangeContinuesTime($dayDiff = 0,$day = "", $dateFormat = "Y-m-d") {

        $day = $day?$day:date($dateFormat);

        $startTime = date($dateFormat,strtotime("$day -$dayDiff day"));

        $endTime = date($dateFormat,strtotime("$day +$dayDiff day"));

        $result = self::getContinuesDayByRange($startTime,$endTime,$dateFormat = 'Y-m-d');

        return $result;

    }

获取两个日期之间相差的天数

/**

     * 获取两个日期之间相差的天数

     * @param string $day1 第一个日期，格式为Y-m-d

     * @param string $day2 第二个日期，格式为Y-m-d

     * @return integer

     */

    public static function getDiffBetweenTwoDays($day1, $day2) {

        $second1 = strtotime($day1);

        $second2 = strtotime($day2);

        if ($second1 < $second2) {

            $tmp = $second2;

            $second2 = $second1;

            $second1 = $tmp;

        }

        return ($second1 - $second2) / 86400;

    }

根据指定日期和天数，获取结束的日期

/**

     * 根据日期和相差的天数获取结束的天数

     * @param $day

     * @param $diffDay

     * @param bool $isBefore

     * @return false|string

     */

    public static function getEndDayByDayAndDiff($day, $diffDay, $isBefore = false) {

        $operator = $isBefore ? "-" : "+";

        $endDay = date('Y-m-d',strtotime("$day $operator $diffDay day"));

        return $endDay;

    }

判断两个日期是否为同一天

/**

     * 判断两个时间是否同一天

     * @param string $date1 Y-m-d

     * @param string $date2 Y-m-d

     * @return bool

     */

    public static function isSameDay($date1, $date2) {

        $day1 = self::dateTime(strtotime($date1)) ;

        $day2 = self::dateTime(strtotime($date2));

        return $day1 == $day2;

    }

转换秒钟为分钟

/**

     * 转换秒钟为分钟

     * @param $seconds

     * @return string

     */

    public static function convertSecondToTime($seconds) {

        $reminded = strval($seconds % 60);

        $minute = strval(($seconds - $reminded) / 60);

        if(strlen($minute)<2){

            $minute = '0'.$minute;

        }

        if(strlen($reminded)<2){

            $reminded = '0'.$reminded;

        }

        $time = $minute.":".$reminded;

        return $time;

    }

获取毫秒数

/**

     * 获取时间的毫秒数

     * @return float

     */

    public static function millisecond() {

        list($msec, $sec) = explode(' ', microtime());

        return (float)sprintf('%.0f', (floatval($msec) + floatval($sec)) * 1000);

    }

附录：完整的时间帮助类代码

<?php

/**

 * Created by PhpStorm.

 * User: Auser

 * Date: 2017/7/16

 * Time: 20:47

 */

namespace App\Http\Helper;

use Illuminate\Support\Facades\Input;

use Intervention\Image\Facades\Image;

use Mockery\Exception;

class TimeHelper

{

    /**

     * 根据相差的天数获取所有连续的时间段

     * @param $diffDay

     * @param string $dateFormat

     * @return array

     */

    public static function getContinuesDayDiffDay($diffDay, $dateFormat = 'Y-m-d') {

        $today = date('Y-m-d');

        $timeLabel = [];

        for ($i=1;$i<=$diffDay;$i++){

            $diff = $diffDay - $i;

            $mday = date($dateFormat,strtotime("$today -$diff day"));

            array_push($timeLabel,$mday);

        }

        //转化查询条件

        $year = date('Y');

        $startDay = str_replace('.','-',$timeLabel[0]);

        $endDay = str_replace('.','-',$timeLabel[$diffDay-1]);

        $startTime = strtotime($startDay." 00:00:00");

        $endTime = strtotime($endDay." 23:59:59");

        return [

            'start_time' => $startTime,

            'end_time' => $endTime,

            'time_label' => $timeLabel,

        ];

    }

    /**

     * 根据开始和结束时间获取所有连续的时间段

     * @param string $startDay 开始日期 格式：Y-m-d

     * @param string $endDay 开始日期 格式：Y-m-d

     * @param string $dateFormat

     * @return array

     */

    public static function getContinuesDayByRange($startDay, $endDay, $dateFormat = 'Y-m-d') {

        $timeLabel = [];

        if(strtotime($startDay) > strtotime($endDay)){

            $tmp = $startDay;

            $endDay = $tmp;

            $startDay = $endDay;

        }

        if($startDay == $endDay){

            array_push($timeLabel,$startDay);

            $startTime = strtotime($startDay." 00:00:00");

            $endTime = strtotime($endDay." 23:59:59");

            $timeLabel =  [

                'start_time' => $startTime,

                'end_time' => $endTime,

                'time_label' => $timeLabel,

            ];

            return $timeLabel;

        }

        $targetDay = $startDay;

        while ($targetDay != $endDay){

            array_push($timeLabel,$targetDay);

            $targetDay = date($dateFormat,strtotime("$targetDay +1 day"));

        }

        array_push($timeLabel,$endDay);

        //增加

        $startTime = strtotime($startDay." 00:00:00");

        $endTime = strtotime($endDay." 23:59:59");

        $timeLabel =  [

            'start_time' => $startTime,

            'end_time' => $endTime,

            'time_label' => $timeLabel,

        ];

        return $timeLabel;

    }

    /**

     * 根据日期获取本月的开始时间和结束时间

     * @param $date   Y-m    2017-10

     * @return array

     */

    public static function getMonthDaysByDate($date) {

        $data = [];

        $timestamp = strtotime( $date );

        $data['start_time'] = date( 'Y-m-01 00:00:00', $timestamp );

        $mdays = date( 't', $timestamp );

        $data['end_time'] = date( 'Y-m-' . $mdays . ' 23:59:59', $timestamp );

        return $data;

    }

    /**

     * 获取两个月份之间连续的月份

     * @param $start

     * @param $end

     * @return array

     */

    public static function  prDates($start, $end) { // 两个日期之间的所有日期

        $time_start = strtotime($start); // 自动为00:00:00 时分秒 两个时间之间的年和月份

        $time_end = strtotime($end);

        $monarr[] = $start; // 当前月;

        while( ($time_start = strtotime('+1 month', $time_start)) <= $time_end){

            array_push($monarr,date('Y-m', $time_start));// 取得递增月

        }

        return $monarr;

    }

    /**

     * 时间友好型提示风格化（即微博中的XXX小时前、昨天等等）

     * 即微博中的 XXX 小时前、昨天等等, 时间超过 $time_limit 后返回按 out_format 的设定风格化时间戳

     * @param  int

     * @param  int

     * @param  string

     * @param  array

     * @param  int

     * @return string

     */

    public static function getFriendlyTime($timestamp, $timeLimit = 604800, $out_format = 'Y/m/d', $formats = null, $now = null){

        /*if (get_setting('time_style') == 'N')

        {

            return date($out_format, $timestamp);

        }*/

        if (!$timestamp)

        {

            return false;

        }

        if ($formats == null)

        {

            $formats = [

                'YEAR' =>'%s 年前',

                'MONTH' => '%s 月前',

                'DAY' => '%s 天前',

                'HOUR' => '%s 小时前',

                'MINUTE' => '%s 分钟前',

                'SECOND' => '%s 秒前'

            ];

        }

        $now = $now == null ? time() : $now;

        $seconds = $now - $timestamp;

        if ($seconds == 0)

        {

            $seconds = 1;

        }

        if (!$timeLimit OR $seconds > $timeLimit)

        {

            return date($out_format, $timestamp);

        }

        $minutes = floor($seconds / 60);

        $hours = floor($minutes / 60);

        $days = floor($hours / 24);

        $months = floor($days / 30);

        $years = floor($months / 12);

        if ($years > 0)

        {

            $diffFormat = 'YEAR';

        }

        else

        {

            if ($months > 0)

            {

                $diffFormat = 'MONTH';

            }

            else

            {

                if ($days > 0)

                {

                    $diffFormat = 'DAY';

                }

                else

                {

                    if ($hours > 0)

                    {

                        $diffFormat = 'HOUR';

                    }

                    else

                    {

                        $diffFormat = ($minutes > 0) ? 'MINUTE' : 'SECOND';

                    }

                }

            }

        }

        $dateDiff = null;

        switch ($diffFormat)

        {

            case 'YEAR' :

                $dateDiff = sprintf($formats[$diffFormat], $years);

                break;

            case 'MONTH' :

                $dateDiff = sprintf($formats[$diffFormat], $months);

                break;

            case 'DAY' :

                $dateDiff = sprintf($formats[$diffFormat], $days);

                break;

            case 'HOUR' :

                $dateDiff = sprintf($formats[$diffFormat], $hours);

                break;

            case 'MINUTE' :

                $dateDiff = sprintf($formats[$diffFormat], $minutes);

                break;

            case 'SECOND' :

                $dateDiff = sprintf($formats[$diffFormat], $seconds);

                break;

        }

        return $dateDiff;

    }

    /**

     * 获取星期几

     * @param $date

     * @return

     */

    public static function getWeekDay($date) {

        //强制转换日期格式

        $dateStr=date('Y-m-d',strtotime($date));

        //封装成数组

        $arr=explode("-", $dateStr);

        //参数赋值

        //年

        $year=$arr[0];

        //月，输出2位整型，不够2位右对齐

        $month=sprintf('%02d',$arr[1]);

        //日，输出2位整型，不够2位右对齐

        $day=sprintf('%02d',$arr[2]);

        //时分秒默认赋值为0；

        $hour = $minute = $second = 0;

        //转换成时间戳

        $strap = mktime($hour,$minute,$second,$month,$day,$year);

        //获取数字型星期几

        $numberWk=date("w",$strap);

        //自定义星期数组

        $weekArr=array(7,1,2,3,4,5,6);

        //获取数字对应的星期

        return $weekArr[$numberWk];

    }

    /**

     * 获取指定日期前后相同时间天数的范围时间

     * @param int $dayDiff

     * @param string $day

     * @param string $dateFormat

     * @return array

     */

    public static function getPointDaySameRangeContinuesTime($dayDiff = 0,$day = "", $dateFormat = "Y-m-d") {

        $day = $day?$day:date($dateFormat);

        $startTime = date($dateFormat,strtotime("$day -$dayDiff day"));

        $endTime = date($dateFormat,strtotime("$day +$dayDiff day"));

        $result = self::getContinuesDayByRange($startTime,$endTime,$dateFormat = 'Y-m-d');

        return $result;

    }

    /**

     * 获取两个日期之间相差的天数

     * @param string $day1 第一个日期，格式为Y-m-d

     * @param string $day2 第二个日期，格式为Y-m-d

     * @return integer

     */

    public static function getDiffBetweenTwoDays($day1, $day2) {

        $second1 = strtotime($day1);

        $second2 = strtotime($day2);

        if ($second1 < $second2) {

            $tmp = $second2;

            $second2 = $second1;

            $second1 = $tmp;

        }

        return ($second1 - $second2) / 86400;

    }

    /**

     * 根据日期和相差的天数获取结束的天数

     * @param $day

     * @param $diffDay

     * @param bool $isBefore

     * @return false|string

     */

    public static function getEndDayByDayAndDiff($day, $diffDay, $isBefore = false) {

        $operator = $isBefore ? "-" : "+";

        $endDay = date('Y-m-d',strtotime("$day $operator $diffDay day"));

        return $endDay;

    }

    /**

     * 根据时间戳返回日期型时间戳

     * @param $time

     * @return int

     */

    public static function dateTime($time) {

        return strtotime(date('Y-m-d', $time));

    }

    /**

     * @param $num

     * @return string

     */

    public static function getFriendlyNumber($num) {

        if ($num >= 10000) {

            $num = round($num / 10000 ,1)  .'万';

        } else {

            $num = $num;

        }

        return $num;

    }

    /**

     * 判断两个时间是否同一天

     * @param string $date1 Y-m-d

     * @param string $date2 Y-m-d

     * @return bool

     */

    public static function isSameDay($date1, $date2) {

        $day1 = self::dateTime(strtotime($date1)) ;

        $day2 = self::dateTime(strtotime($date2));

        return $day1 == $day2;

    }

    /**

     * 转换秒钟为分钟

     * @param $seconds

     * @return string

     */

    public static function convertSecondToTime($seconds) {

        $reminded = strval($seconds % 60);

        $minute = strval(($seconds - $reminded) / 60);

        if(strlen($minute)<2){

            $minute = '0'.$minute;

        }

        if(strlen($reminded)<2){

            $reminded = '0'.$reminded;

        }

        $time = $minute.":".$reminded;

        return $time;

    }

    /**

     * 获取时间的毫秒数

     * @return float

     */

    public static function millisecond() {

        list($msec, $sec) = explode(' ', microtime());

        return (float)sprintf('%.0f', (floatval($msec) + floatval($sec)) * 1000);

    }

}

来源：https://segmentfault.com/a/1190000017512325

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