/**
* 获取对应的时间区间
* @title getDateTime
*
* @param $type
* @param $start_time
* @param $end_time
*/
public static function getDateTime(&$start_time,&$end_time,$type)
{
$time = time();
switch ($type){
case 1: //今日
$start_time = strtotime(date('Y-m-d'));
$end_time = strtotime(date('Y-m-d 23:59:59'));
break;
case 2: //本周
$start_time = strtotime('this week',$time);
$end_time = strtotime('this week +6 days',$time);
break;
case 3: //本月
$start_time = strtotime(date('Y-m-01'));
$end_time = strtotime(date('Y-m-t'));
break;
case 4: //上一个月
$start_time = strtotime(date('Y-m-01',strtotime("-1 month")));
$end_time = strtotime(date('Y-m-t',strtotime("-1 month")));
break;
default:
}
}