php计算当前时间到下个月的剩余天数

php计算当前时间到下个月的剩余天数

//当前时间距离下个月还有多少天
    function less_day()
    {
        $month_big = array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
        //现在的月份
        $date_month_old = (int)date("m",time());
        //下个月的月份
        $date_month_new = $date_month_old + 1;
        //下个月1号的时间戳
        $date_time_new = strtotime("1 ".$month_big[$date_month_new-1]." ".date("Y",time()));
        //今天的时间戳
        $date_time_old = strtotime(date("d",time())." ".$month_big[$date_month_old-1]." ".date("Y",time()));
        //距下月剩余时间
        $time_new = ($date_time_new - $date_time_old)/24/60/60-1;
        return $time_new;
    }
    header("Content-type: text/html; charset=utf-8");
    echo "今天是：".date("Y-m-d",time())."<br/>";
    echo "距离下个月还有：".less_day()."天";