时间戳:
$today=date("Y-m-d 00:00:00");
//当天
$start=strtotime($today);
$end=strtotime(date("Y-m-d 23:59:59"));
//7日内
$start=strtotime(date("Y-m-d 00:00:00",strtotime("$today -6 day")));
$end=strtotime(date("Y-m-d 23:59:59"));
//15日内
$start=strtotime(date("Y-m-d 00:00:00",strtotime("$today -14 day")));
$end=strtotime(date("Y-m-d 23:59:59"));
//30日内
$start=strtotime(date("Y-m-d 00:00:00",strtotime("$today -29 day")));
$end=strtotime(date("Y-m-d 23:59:59"));
如需日期,去掉strtotime即可;
例如:
$start=date("Y-m-d 00:00:00",strtotime("$today -6 day")));
$end=date("Y-m-d 23:59:59");