php根据时间戳获取周几

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)];    }