获取某个时间戳的周几,以及未来几天以后的周几
$time 代表时间
$i 今天开始
public static function getTimeWeek($time, $i = 0) {
$weekarray = array("日", "一", "二", "三", "四", "五", "六");
$oneD = 24 * 60 * 60;
return "周" . $weekarray[date("w", $time + $oneD * $i)];
}










