关于php公历农历的互相转换，你可能会需要！

废话不多,直接上代码

lunarInfo[$year - $this->MIN_YEAR];
        if ($year == $this->MIN_YEAR && $month <= 2 && $date <= 9) {
            return array(1891, &＃39;正月&＃39;, &＃39;初一&＃39;, &＃39;辛卯&＃39;, 1, 1, &＃39;兔&＃39;);
        }
        return $this->getLunarByBetween($year, $this->getDaysBetweenSolar($year, $month, $date, $yearData[1], $yearData[2]));
    }

    function convertSolarMonthToLunar($year, $month)
    {
        $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
        if ($year == $this->MIN_YEAR && $month <= 2 && $date <= 9) {
            return array(1891, &＃39;正月&＃39;, &＃39;初一&＃39;, &＃39;辛卯&＃39;, 1, 1, &＃39;兔&＃39;);
        }
        $month_days_ary = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
        $dd = $month_days_ary[$month];
        if ($this->isLeapYear($year) && $mOnth== 2) $dd++;
        $lunar_ary = array();
        for ($i = 1; $i <$dd; $i++) {
            $array = $this->getLunarByBetween($year, $this->getDaysBetweenSolar($year, $month, $i, $yearData[1], $yearData[2]));
            $array[] = $year . &＃39;-&＃39; . $month . &＃39;-&＃39; . $i;
            $lunar_ary[$i] = $array;
        }
        return $lunar_ary;
    }

    /**
     * 将阴历转换为阳历
     * @param year 阴历-年
     * @param month 阴历-月，闰月处理：例如如果当年闰五月，那么第二个五月就传六月，相当于阴历有13个月，只是有的时候第13个月的天数为0
     * @param date 阴历-日
     */
    function convertLunarToSolar($year, $month, $date)
    {
        $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
        $between = $this->getDaysBetweenLunar($year, $month, $date);
        $res = mktime(0, 0, 0, $yearData[1], $yearData[2], $year);
        $res = date(&＃39;Y-m-d&＃39;, $res + $between * 24 * 60 * 60);
        $day = explode(&＃39;-&＃39;, $res);
        $year = $day[0];
        $mOnth= $day[1];
        $day = $day[2];
        return array($year, $month, $day);
    }

    /**
     * 判断是否是闰年
     * @param year
     */
    function isLeapYear($year)
    {
        return (($year % 4 == 0 && $year % 100 != 0) || ($year % 400 == 0));
    }

    /**
     * 获取干支纪年
     * @param year
     */
    function getLunarYearName($year)
    {
        $sky = array(&＃39;庚&＃39;, &＃39;辛&＃39;, &＃39;壬&＃39;, &＃39;癸&＃39;, &＃39;甲&＃39;, &＃39;乙&＃39;, &＃39;丙&＃39;, &＃39;丁&＃39;, &＃39;戊&＃39;, &＃39;己&＃39;);
        $earth = array(&＃39;申&＃39;, &＃39;酉&＃39;, &＃39;戌&＃39;, &＃39;亥&＃39;, &＃39;子&＃39;, &＃39;丑&＃39;, &＃39;寅&＃39;, &＃39;卯&＃39;, &＃39;辰&＃39;, &＃39;巳&＃39;, &＃39;午&＃39;, &＃39;未&＃39;);
        $year = $year . &＃39;&＃39;;
        return $sky[$year{3}] . $earth[$year % 12];
    }

    /**
     * 根据阴历年获取生肖
     * @param year 阴历年
     */
    function getYearZodiac($year)
    {
        $zodiac = array(&＃39;猴&＃39;, &＃39;鸡&＃39;, &＃39;狗&＃39;, &＃39;猪&＃39;, &＃39;鼠&＃39;, &＃39;牛&＃39;, &＃39;虎&＃39;, &＃39;兔&＃39;, &＃39;龙&＃39;, &＃39;蛇&＃39;, &＃39;马&＃39;, &＃39;羊&＃39;);
        return $zodiac[$year % 12];
    }

    /**
     * 获取阳历月份的天数
     * @param year 阳历-年
     * @param month 阳历-月
     */
    function getSolarMonthDays($year, $month)
    {
        $mOnthHash= array(&＃39;1&＃39; => 31, &＃39;2&＃39; => $this->isLeapYear($year) ? 29 : 28, &＃39;3&＃39; => 31, &＃39;4&＃39; => 30, &＃39;5&＃39; => 31, &＃39;6&＃39; => 30, &＃39;7&＃39; => 31, &＃39;8&＃39; => 31, &＃39;9&＃39; => 30, &＃39;10&＃39; => 31, &＃39;11&＃39; => 30, &＃39;12&＃39; => 31);
        return $monthHash["$month"];
    }

    /**
     * 获取阴历月份的天数
     * @param year 阴历-年
     * @param month 阴历-月，从一月开始
     */
    function getLunarMonthDays($year, $month)
    {
        $mOnthData= $this->getLunarMonths($year);
        return $monthData[$month - 1];
    }

    /**
     * 获取阴历每月的天数的数组
     * @param year
     */
    function getLunarMonths($year)
    {
        $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
        $leapMOnth= $yearData[0];
        $bit = decbin($yearData[3]);
        for ($i = 0; $i lunarInfo[$year - $this->MIN_YEAR];
        $mOnthArray= $this->getLunarYearMonths($year);
        $len = count($monthArray);
        return ($monthArray[$len - 1] == 0 ? $monthArray[$len - 2] : $monthArray[$len - 1]);
    }

    function getLunarYearMonths($year)
    {//debugger;
        $mOnthData= $this->getLunarMonths($year);
        $res = array();
        $temp = 0;
        $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
        $len = ($yearData[0] == 0 ? 12 : 13);
        for ($i = 0; $i <$len; $i++) {
            $temp = 0;
            for ($j = 0; $j <= $i; $j++) {
                $temp += $monthData[$j];
            }
            array_push($res, $temp);
        }
        return $res;
    }

    /**
     * 获取闰月
     * @param year 阴历年份
     */
    function getLeapMonth($year)
    {
        $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
        return $yearData[0];
    }

    /**
     * 计算阴历日期与正月初一相隔的天数
     * @param year
     * @param month
     * @param date
     */
    function getDaysBetweenLunar($year, $month, $date)
    {
        $yearMOnth= $this->getLunarMonths($year);
        $res = 0;
        for ($i = 1; $i <$month; $i++) {
            $res += $yearMonth[$i - 1];
        }
        $res += $date - 1;
        return $res;
    }

    /**
     * 计算2个阳历日期之间的天数
     * @param year 阳历年
     * @param cmonth
     * @param cdate
     * @param dmonth 阴历正月对应的阳历月份
     * @param ddate 阴历初一对应的阳历天数
     */
    function getDaysBetweenSolar($year, $cmonth, $cdate, $dmonth, $ddate)
    {
        $a = mktime(0, 0, 0, $cmonth, $cdate, $year);
        $b = mktime(0, 0, 0, $dmonth, $ddate, $year);
        return ceil(($a - $b) / 24 / 3600);
    }

    /**
     * 根据距离正月初一的天数计算阴历日期
     * @param year 阳历年
     * @param between 天数
     */
    function getLunarByBetween($year, $between)
    {//debugger;
        $lunarArray = array();
        $yearMOnth= array();
        $t = 0;
        $e = 0;
        $leapMOnth= 0;
        $m = &＃39;&＃39;;
        if ($between == 0) {
            array_push($lunarArray, $year, &＃39;正月&＃39;, &＃39;初一&＃39;);
            $t = 1;
            $e = 1;
        } else {
            $year = $between > 0 ? $year : ($year - 1);
            $yearMOnth= $this->getLunarYearMonths($year);
            $leapMOnth= $this->getLeapMonth($year);
            $between = $between > 0 ? $between : ($this->getLunarYearDays($year) + $between);
            for ($i = 0; $i <13; $i++) {
                if ($between == $yearMonth[$i]) {
                    $t = $i + 2;
                    $e = 1;
                    break;
                } else if ($between <$yearMonth[$i]) {
                    $t = $i + 1;
                    $e = $between - (empty($yearMonth[$i - 1]) ? 0 : $yearMonth[$i - 1]) + 1;
                    break;
                }
            }
            $m = ($leapMonth != 0 && $t == $leapMonth + 1) ? (&＃39;闰&＃39; . $this->getCapitalNum($t - 1, true)) : $this->getCapitalNum(($leapMonth != 0 && $leapMonth + 1 <$t ? ($t - 1) : $t), true);
            array_push($lunarArray, $year, $m, $this->getCapitalNum($e, false));
        }
        array_push($lunarArray, $this->getLunarYearName($year));// 天干地支
        array_push($lunarArray, $t, $e);
        array_push($lunarArray, $this->getYearZodiac($year));// 12生肖
        array_push($lunarArray, $leapMonth);// 闰几月
        return $lunarArray;
    }

    /**
     * 获取数字的阴历叫法
     * @param num 数字
     * @param isMonth 是否是月份的数字
     */
    function getCapitalNum($num, $isMonth)
    {
        $isMOnth= $isMonth || false;
        $dateHash = array(&＃39;0&＃39; => &＃39;&＃39;, &＃39;1&＃39; => &＃39;一&＃39;, &＃39;2&＃39; => &＃39;二&＃39;, &＃39;3&＃39; => &＃39;三&＃39;, &＃39;4&＃39; => &＃39;四&＃39;, &＃39;5&＃39; => &＃39;五&＃39;, &＃39;6&＃39; => &＃39;六&＃39;, &＃39;7&＃39; => &＃39;七&＃39;, &＃39;8&＃39; => &＃39;八&＃39;, &＃39;9&＃39; => &＃39;九&＃39;, &＃39;10&＃39; => &＃39;十 &＃39;);
        $mOnthHash= array(&＃39;0&＃39; => &＃39;&＃39;, &＃39;1&＃39; => &＃39;正月&＃39;, &＃39;2&＃39; => &＃39;二月&＃39;, &＃39;3&＃39; => &＃39;三月&＃39;, &＃39;4&＃39; => &＃39;四月&＃39;, &＃39;5&＃39; => &＃39;五月&＃39;, &＃39;6&＃39; => &＃39;六月&＃39;, &＃39;7&＃39; => &＃39;七月&＃39;, &＃39;8&＃39; => &＃39;八月&＃39;, &＃39;9&＃39; => &＃39;九月&＃39;, &＃39;10&＃39; => &＃39;十月&＃39;, &＃39;11&＃39; => &＃39;冬月&＃39;, &＃39;12&＃39; => &＃39;腊月&＃39;);
        $res = &＃39;&＃39;;
        if ($isMonth) {
            $res = $monthHash[$num];
        } else {
            if ($num <= 10) {
                $res = &＃39;初&＃39; . $dateHash[$num];
            } else if ($num > 10 && $num <20) {
                $res = &＃39;十&＃39; . $dateHash[$num - 10];
            } else if ($num == 20) {
                $res = "二十";
            } else if ($num > 20 && $num <30) {
                $res = "廿" . $dateHash[$num - 20];
            } else if ($num == 30) {
                $res = "三十";
            }
        }
        return $res;
    }



/*class end*/   
}


header("Content-Type:text/html;charset=utf-8");
$lunar = new Lunar();
$mOnth= $lunar->convertSolarToLunar(&＃39;2017&＃39;, &＃39;03&＃39;, &＃39;09&＃39;);//将阳历转换为阴历
echo &＃39;
&＃39;;
print_r($month);
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