PHP获取下个月今天时间

获取php下个月当前时间
public static function fq_time($time = "")
{
    if (!$time) $time = time();
    $arr = getdate($time);
    //判断月份
    $year = $arr['year'];
    $month = $arr['mon'] + 1;
    if ($month > 12) {
        $year = $year + 1;
        $month = 01;
    }
    $day = $arr['mday'];
    if ($day > 28) {
        if ($month == 2) {
            if (($year % 4 == 0 && $year % 100 != 0) || ($year % 400 == 0)) {
                if ($day >= 29) {
                    $rq = mktime(date("G", $time), date("i", $time), date("s", $time), $month, 01, $year);
                    $rq = date("Y-m-t H:i:s", $rq);
                }
            } else {
                if ($day >= 28) {
                    $rq = mktime(date("G", $time), date("i", $time), date("s", $time), $month, 01, $year);
                    $rq = date("Y-m-t H:i:s", $rq);
                }
            }
        } elseif ($month == 1 || $month == 3 || $month == 5 || $month == 7 || $month == 8 || $month == 10 || $month == 12) {
            if ($day >= 31) {
                $rq = mktime(date("G", $time), date("i", $time), date("s", $time), $month, 01, $year);
                $rq = date("Y-m-t H:i:s", $rq);
            }
        } else {
            if ($day >= 30) {
                $rq = mktime(date("G", $time), date("i", $time), date("s", $time), $month, 01, $year);
                $rq = date("Y-m-t H:i:s", $rq);
            }
        }
    }
    if (!isset($rq)) {   //
        $rq = date("Y-m-t H:i:s", $time);
        $rq = mktime(date("G", $time), date("i", $time), date("s", $time), $month, $day, $year);
        $rq = date("Y-m-d H:i:s", $rq);
    }
    $rq = strtotime($rq);

    return $rq;
}