$weekarray=array("日","一","二","三","四","五","六");
        $week = $weekarray[date('w',$time)];
        if($week=='日') {
            return "<span style=\"color:#D83A09\">周".$weekarray[date('w',$time)]."</span>";
        } elseif($week=='六') {
            return "<span style=\"color:#D83A09\">周".$weekarray[date('w',$time)]."</span>";
        }  else {
            return "周".$weekarray[date('w',$time)];
        }
    }