设置下个月的付款日期(使用php carbon)

Carbon::create(2018, 1, 31, 0, 0, 0)
Carbon::create(2018, 1, 31, 0, 0, 0)->addMonthsNoOverflow(1)
Carbon::create(2018, 1, 31, 0, 0, 0)->addMonthsNoOverflow(2)
Carbon::create(2018, 1, 31, 0, 0, 0)->addMonthsNoOverflow(3)

$day = 31;
$date = Carbon::create(2018, 1, 28, 0, 0, 0);
$date->addMonthsNoOverflow(1);
$date->day(min($day, $date->daysInMonth));

public function setDaysNoOverflow($value)
    {
        $year = $this->year;
        $month = $this->month;

        $this->day((int)$value);

        if ($month !== $this->month) {
            $this->year = $year;
            $this->month = $month;
            $this->modify('last day of this month');
        }

        return $this;
    }

Carbon/Carbon.php

addMonthsNoOverflow

$lastPayment->addMonthsNoOverflow(1)->day(
    min($paymentDue->day, $lastPayment->daysInMonth)
);

Carbon::create(2018, 1, 31, 0, 0, 0)->addMonth();