获取两个月份之间的相差的月份

Posted 2022-07-04 studyandstudy

   /**
     * 获取两个日期之间所有的月份
     * @param string $date1 - 起始日期 默认1970-01-01
     * @param string $date2 - 截止日期 默认1970-02-01
     * @return array
     */
    public function getMonthNum(string $date1 = ‘1970-01-01‘, string $date2 = ‘1970-02-01‘):array
    
        $time1 = strtotime($date1); // 自动为00:00:00 时分秒
        $time2 = strtotime($date2);
        if ($time2 < $time1)
            return [];
        
        $month = array();
        $split_date1 = explode(‘-‘,$date1);
        $month[] = $split_date1[0].‘-‘.$split_date1[1];//初始日期
        while( ($time1 = strtotime(‘+1 month‘, $time1)) <= $time2)
            $month[] = date(‘Y-m‘,$time1); // 取得递增月;
        
        return $month;