/**
* 获取起止日期之间所有日期
* @param $sdate
* @param $edate
* @return array
*/
function get_dates($sdate, $edate)
{
$_arr_date = array();
$time_start = strtotime($sdate);
$time_end = strtotime($edate);
while ($time_start <= $time_end) {
$_arr_date[] = date('Y-m-d', $time_start);
$time_start = strtotime('+1 day', $time_start);
}
return $_arr_date;
}
echo '<br>', date("l", strtotime('2019-02-21')); //英文星期 Thursday
echo '<br>', date("w", strtotime('2019-02-21')); //数字星期 0123456,其中0为星期日