function plusMonths($months) { return $this->withDate($this->isoDate->plusMonths($months)); }
/** * Returns a copy of this {@code LocalDateTime} with the specified number of months added. * <p> * This method adds the specified amount to the months field in three steps: * <ol> * <li>Add the input months to the month-of-year field</li> * <li>Check if the resulting date would be invalid</li> * <li>Adjust the day-of-month to the last valid day if necessary</li> * </ol> * <p> * For example, 2007-03-31 plus one month would result in the invalid date * 2007-04-31. Instead of returning an invalid result, the last valid day * of the month, 2007-04-30, is selected instead. * <p> * This instance is immutable and unaffected by this method call. * * @param int $months the months to add, may be negative * @return LocalDateTime a {@code LocalDateTime} based on this date-time with the months added, not null * @throws DateTimeException if the result exceeds the supported date range */ public function plusMonths($months) { $newDate = $this->date->plusMonths($months); return $this->_with($newDate, $this->time); }