function monthList($minimum_time, $maximum_time) { # 日期必須使用字符串類型 因為日期不是數值類型 $collection = []; // 循環計算 $minimum_time = strtotime($minimum_time); $maximum_time = strtotime($maximum_time); while ($minimum_time <= $maximum_time) { $collection[] += $minimum_time; $minimum_time = strtotime('+1 month', $minimum_time); } foreach ($collection as &$value) { $value = date('Y-m', $value); } unset($value); return $collection; } $this->monthList("2022-01",date('Y-m'));