php中关于时间函数date以及常用的时间计算方法

strtotime("now")；

strtotime("10 September 2017")；

strtotime("+1 day")；

strtotime("+1 week")；

strtotime("+1 week 2 days 4 hours 2 seconds")；

strtotime("next Thursday")；

strtotime("last Monday")；

$times= [];

functionmakeTime(){

  //获取今日开始时间戳和结束时间戳

  $beginToday=mktime(0,0,0,date('m'),date('d'),date('Y'));

  $endToday=mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1;

  $times['today']['begin'] =$beginToday;

  $times['today']['end'] =$endToday;

  //获取昨日起始时间戳和结束时间戳

  $beginYesterday=mktime(0,0,0,date('m'),date('d')-1,date('Y'));

  $endYesterday=mktime(0,0,0,date('m'),date('d'),date('Y'))-1;

  $times['yesterday']['begin'] =$beginYesterday;

  $times['yesterday']['end'] =$endYesterday;

  //获取上周起始时间戳和结束时间戳

  $beginLastweek=mktime(0,0,0,date('m'),date('d')-date('w')+1-7,date('Y'));

  $endLastweek=mktime(23,59,59,date('m'),date('d')-date('w')+7-7,date('Y'));

  $times['lastWeek']['begin'] =$beginLastweek;

  $times['lastWeek']['end'] =$endLastweek;

  //获取本月起始时间戳和结束时间戳

  $beginThismonth=mktime(0,0,0,date('m'),1,date('Y'));

  $endThismonth=mktime(23,59,59,date('m'),date('t'),date('Y'));

  $times['thisMonth']['begin'] =$beginThismonth;

  $times['thisMonth']['end'] =$endThismonth;

  //获取本周开始时间和结束时间，此例中开始时间为周一

  $defaultDate=date('Y-m-d');

  $first= 1;

  $w=date('w',strtotime($defaultDate));

  $beginWeek=strtotime("$defaultDate-". ($w?$w-$first:6) .'days');

  $endWeek=$beginWeek+ 6*24*3600-1;

  $times['thisWeek']['begin'] =$beginWeek;

  $times['thisWeek']['end'] =$endWeek;

  //获取上月的起始时间戳和结束时间戳

  $beginLastmonth=mktime(0,0,0,date('m')-1,1,date('Y'));

  $endLastmonth=mktime(23,59,59,date('m')-1,date('t'),date('Y'));

  $times['LastMonth']['begin'] =$beginLastmonth;

  $times['LastMonth']['end'] =$endLastmonth;

  //获取今年的起始时间和结束时间

  $beginThisyear=mktime(0,0,0,1,1,date('Y'));

  $endThisyear=mktime(23,59,59,12,31,date('Y'));

  $times['thisYear']['begin'] =$beginThisyear;

  $times['thisYear']['end'] =$endThisyear;

  //获取上年的起始时间和结束时间

  $beginLastyear=mktime(0,0,0,1,1,date('Y')-1);

  $endLastyear=mktime(23,59,59,12,31,date('Y')-1);

  $times['lastYear']['begin'] =$beginLastyear;

  $times['lastYear']['end'] =$endLastyear;

  //获取本季度开始时间和结束时间

  $season=ceil((date('n'))/3);//当月是第几季度

  $beginThisSeason=mktime(0, 0, 0,$season*3-3+1,1,date('Y'));

  $endThisSeason=mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'));

  $times['thisSeason']['begin'] =$beginThisSeason;

  $times['thisSeason']['end'] =$endThisSeason;

  //获取上季度的起始时间和结束时间

  $beginLastSeason=mktime(0, 0, 0,($season-1)*3-3+1,1,date('Y'));

  $endLastSeason=mktime(23,59,59,($season-1)*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'));

  $times['lastSeason']['begin'] =$beginLastSeason;

  $times['lastSeason']['end'] =$endLastSeason;

  return$times;

}

$times= makeTime();