php 获取两个月份之间的所有月份数组

转载自 https://blog.csdn.net/rovast/article/details/50281145

/**
 * 计算出两个日期之间的月份
 * @author Eric
 * @param  [type] $start_date [开始日期，如2014-03]
 * @param  [type] $end_date   [结束日期，如2015-12]
 * @param  string $explode    [年份和月份之间分隔符，此例为 - ]
 * @param  boolean $addOne    [算取完之后最后是否加一月，用于算取时间戳用]
 * @return [type]             [返回是两个月份之间所有月份字符串]
 */
function dateMonths($start_date,$end_date,$explode='-',$addOne=false){
    //判断两个时间是不是需要调换顺序
    $start_int = strtotime($start_date);
    $end_int = strtotime($end_date);
    if($start_int > $end_int){
        $tmp = $start_date;
        $start_date = $end_date;
        $end_date = $tmp;
    }


    //结束时间月份+1，如果是13则为新年的一月份
    $start_arr = explode($explode,$start_date);
    $start_year = intval($start_arr[0]);
    $start_month = intval($start_arr[1]);


    $end_arr = explode($explode,$end_date);
    $end_year = intval($end_arr[0]);
    $end_month = intval($end_arr[1]);


    $data = array();
    $data[] = $start_date;


    $tmp_month = $start_month;
    $tmp_year = $start_year;


    //如果起止不相等，一直循环
    while (!(($tmp_month == $end_month) && ($tmp_year == $end_year))) {
        $tmp_month ++;
        //超过十二月份，到新年的一月份
        if($tmp_month > 12){
            $tmp_month = 1;
            $tmp_year++;
        }
        $data[] = $tmp_year.$explode.str_pad($tmp_month,2,'0',STR_PAD_LEFT);
    }


    if($addOne == true){
        $tmp_month ++;
        //超过十二月份，到新年的一月份
        if($tmp_month > 12){
            $tmp_month = 1;
            $tmp_year++;
        }
        $data[] = $tmp_year.$explode.str_pad($tmp_month,2,'0',STR_PAD_LEFT);
    }


    return $data;
}

测试如下：

$start_date = "2018-11";
$end_date = "2019-03";
var_dump(dateMonths($start_date,$end_date));

/**
 * 计算出两个日期之间的月份区间
 * @author Eric
 * @param  [type] $start_date [开始日期，如2014-03]
 * @param  [type] $end_date   [结束日期，如2015-12]
 * @param  string $explode    [年份和月份之间分隔符，此例为 - ]
 * @param  boolean $addOne    [算取完之后最后是否加一月，用于算取时间戳用]
 * @return [type]             [返回是两个月份之间所有月份字符串]
 */
function dateMonthsSections($start_date,$end_date,$explode='-',$addOne=false){
    $data = dateMonths($start_date,$end_date,$explode,$addOne);
    $length = sizeof($data);

    $res = array();
    foreach ($data as $key => $value) {
        if($key < ($length-1)){
            $date1 = $value;
            $date2 = $data[$key + 1];
            $res[$key][0] = $date1;
            $res[$key][1] = $date2;
        }
    }

    return $res;
}

测试如下：

var_dump(dateMonthsSections($start_date,$end_date));