php如何实现计算农历，本文主要和大家分享php计算农历的实例代码，希望能帮助到大家。
<?php
class lunar {
var $min_year = 1891;
var $max_year = 2100;
var $lunarinfo = array(
array(0,2,9,21936),array(6,1,30,9656),array(0,2,17,9584),array(0,2,6,21168),array(5,1,26,43344),array(0,2,13,59728),
array(0,2,2,27296),array(3,1,22,44368),array(0,2,10,43856),array(8,1,30,19304),array(0,2,19,19168),array(0,2,8,42352),
array(5,1,29,21096),array(0,2,16,53856),array(0,2,4,55632),array(4,1,25,27304),array(0,2,13,22176),array(0,2,2,39632),
array(2,1,22,19176),array(0,2,10,19168),array(6,1,30,42200),array(0,2,18,42192),array(0,2,6,53840),array(5,1,26,54568),
array(0,2,14,46400),array(0,2,3,54944),array(2,1,23,38608),array(0,2,11,38320),array(7,2,1,18872),array(0,2,20,18800),
array(0,2,8,42160),array(5,1,28,45656),array(0,2,16,27216),array(0,2,5,27968),array(4,1,24,44456),array(0,2,13,11104),
array(0,2,2,38256),array(2,1,23,18808),array(0,2,10,18800),array(6,1,30,25776),array(0,2,17,54432),array(0,2,6,59984),
array(5,1,26,27976),array(0,2,14,23248),array(0,2,4,11104),array(3,1,24,37744),array(0,2,11,37600),array(7,1,31,51560),
array(0,2,19,51536),array(0,2,8,54432),array(6,1,27,55888),array(0,2,15,46416),array(0,2,5,22176),array(4,1,25,43736),
array(0,2,13,9680),array(0,2,2,37584),array(2,1,22,51544),array(0,2,10,43344),array(7,1,29,46248),array(0,2,17,27808),
array(0,2,6,46416),array(5,1,27,21928),array(0,2,14,19872),array(0,2,3,42416),array(3,1,24,21176),array(0,2,12,21168),
array(8,1,31,43344),array(0,2,18,59728),array(0,2,8,27296),array(6,1,28,44368),array(0,2,15,43856),array(0,2,5,19296),
array(4,1,25,42352),array(0,2,13,42352),array(0,2,2,21088),array(3,1,21,59696),array(0,2,9,55632),array(7,1,30,23208),
array(0,2,17,22176),array(0,2,6,38608),array(5,1,27,19176),array(0,2,15,19152),array(0,2,3,42192),array(4,1,23,53864),
array(0,2,11,53840),array(8,1,31,54568),array(0,2,18,46400),array(0,2,7,46752),array(6,1,28,38608),array(0,2,16,38320),
array(0,2,5,18864),array(4,1,25,42168),array(0,2,13,42160),array(10,2,2,45656),array(0,2,20,27216),array(0,2,9,27968),
array(6,1,29,44448),array(0,2,17,43872),array(0,2,6,38256),array(5,1,27,18808),array(0,2,15,18800),array(0,2,4,25776),
array(3,1,23,27216),array(0,2,10,59984),array(8,1,31,27432),array(0,2,19,23232),array(0,2,7,43872),array(5,1,28,37736),
array(0,2,16,37600),array(0,2,5,51552),array(4,1,24,54440),array(0,2,12,54432),array(0,2,1,55888),array(2,1,22,23208),
array(0,2,9,22176),array(7,1,29,43736),array(0,2,18,9680),array(0,2,7,37584),array(5,1,26,51544),array(0,2,14,43344),
array(0,2,3,46240),array(4,1,23,46416),array(0,2,10,44368),array(9,1,31,21928),array(0,2,19,19360),array(0,2,8,42416),
array(6,1,28,21176),array(0,2,16,21168),array(0,2,5,43312),array(4,1,25,29864),array(0,2,12,27296),array(0,2,1,44368),
array(2,1,22,19880),array(0,2,10,19296),array(6,1,29,42352),array(0,2,17,42208),array(0,2,6,53856),array(5,1,26,59696),
array(0,2,13,54576),array(0,2,3,23200),array(3,1,23,27472),array(0,2,11,38608),array(11,1,31,19176),array(0,2,19,19152),
array(0,2,8,42192),array(6,1,28,53848),array(0,2,15,53840),array(0,2,4,54560),array(5,1,24,55968),array(0,2,12,46496),
array(0,2,1,22224),array(2,1,22,19160),array(0,2,10,18864),array(7,1,30,42168),array(0,2,17,42160),array(0,2,6,43600),
array(5,1,26,46376),array(0,2,14,27936),array(0,2,2,44448),array(3,1,23,21936),array(0,2,11,37744),array(8,2,1,18808),
array(0,2,19,18800),array(0,2,8,25776),array(6,1,28,27216),array(0,2,15,59984),array(0,2,4,27424),array(4,1,24,43872),
array(0,2,12,43744),array(0,2,2,37600),array(3,1,21,51568),array(0,2,9,51552),array(7,1,29,54440),array(0,2,17,54432),
array(0,2,5,55888),array(5,1,26,23208),array(0,2,14,22176),array(0,2,3,42704),array(4,1,23,21224),array(0,2,11,21200),
array(8,1,31,43352),array(0,2,19,43344),array(0,2,7,46240),array(6,1,27,46416),array(0,2,15,44368),array(0,2,5,21920),
array(4,1,24,42448),array(0,2,12,42416),array(0,2,2,21168),array(3,1,22,43320),array(0,2,9,26928),array(7,1,29,29336),
array(0,2,17,27296),array(0,2,6,44368),array(5,1,26,19880),array(0,2,14,19296),array(0,2,3,42352),array(4,1,24,21104),
array(0,2,10,53856),array(8,1,30,59696),array(0,2,18,54560),array(0,2,7,55968),array(6,1,27,27472),array(0,2,15,22224),
array(0,2,5,19168),array(4,1,25,42216),array(0,2,12,42192),array(0,2,1,53584),array(2,1,21,55592),array(0,2,9,54560)
);
/**
* 将阳历转换为阴历
* @param year 公历-年
* @param month 公历-月
* @param date 公历-日
*/
function convertsolartolunar($year,$month,$date){
//debugger;
$yeardata = $this->lunarinfo[$year-$this->min_year];
if($year==$this->min_year&&$month<=2&&$date<=9){
return array(1891,'正月','初一','辛卯',1,1,'兔');
}
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,'正月','初一','辛卯',1,1,'兔');
}
$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 . '-' . $month . '-' . $i;
$lunar_ary[$i] = $array;
}
return $lunar_ary;
}
/**
* 判断是否是闰年
* @param year
*/
function isleapyear($year){
return (($year%4==0 && $year%100 !=0) || ($year%400==0));
}
/**
* 获取干支纪年
* @param year
*/
function getlunaryearname($year){
$sky = array('庚','辛','壬','癸','甲','乙','丙','丁','戊','己');
$earth = array('申','酉','戌','亥','子','丑','寅','卯','辰','巳','午','未');
$year = $year.'';
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('猴','鸡','狗','猪','鼠','牛','虎','兔','龙','蛇','马','羊');
return $zodiac[$year%12];
}
/**
* 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('y-m-d', $res+$between*24*60*60);
$day = explode('-', $res);
$year = $day[0];
$month= $day[1];
$day = $day[2];
return array($year, $month, $day);
}
/**
* 获取阳历月份的天数
* @param year 阳历-年
* @param month 阳历-月
*/
function getsolarmonthdays($year,$month){
$monthhash = array('1'=>31,'2'=>$this->isleapyear($year)?29:28,'3'=>31,'4'=>30,'5'=>31,'6'=>30,'7'=>31,'8'=>31,'9'=>30,'10'=>31,'11'=>30,'12'=>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; $i < strlen($bit);$i ++) {
$bitarray[$i] = substr($bit, $i, 1);
}
for($k=0,$klen=16-count($bitarray);$k<$klen;$k++){
array_unshift($bitarray, '0');
}
$bitarray = array_slice($bitarray,0,($leapmonth==0?12:13));
for($i=0; $i<count($bitarray); $i++){
$bitarray[$i] = $bitarray[$i] + 29;
}
return $bitarray;
}
/**
* 获取农历每年的天数
* @param year 农历年份
*/
function getlunaryeardays($year){
$yeardata = $this->lunarinfo[$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;
$m='';
if($between==0){
array_push($lunararray, $year,'正月','初一');
$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)?('闰'.$this->getcapitalnum($t- 1,true)):$this->getcapitalnum(($leapmonth!=0&&$leapmonth+1<$t?($t-1):$t),true);
$my_year = $this->toyear($year);
array_push($lunararray,$my_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 $lunararray;
}
//转换成中文年份
function toyear($year){
$arr = array("零","一","二","三","四","五","六","七","八","九");
$year_arr = str_split($year);
$str = $arr[$year_arr[0]].$arr[$year_arr[1]].$arr[$year_arr[2]].$arr[$year_arr[3]];
return $str;
}
//中文年份转换成数字
function tonumber($str){
$arr = array("零"=>'0',"一"=>'1',"二"=>'2',"三"=>'3',"四"=>'4',"五"=>'5',"六"=>'6',"七"=>'7',"八"=>'8',"九"=>'9');
$year_arr = preg_split('/(?<!^)(?!$)/u', $str );
$str = $arr[$year_arr[0]].$arr[$year_arr[1]].$arr[$year_arr[2]].$arr[$year_arr[3]];
return $str;
}
/**
* 获取数字的阴历叫法
* @param num 数字
* @param ismonth 是否是月份的数字
*/
function getcapitalnum($num,$ismonth){
$ismonth = $ismonth || false;
$datehash=array('0'=>'','1'=>'一','2'=>'二','3'=>'三','4'=>'四','5'=>'五','6'=>'六','7'=>'七','8'=>'八','9'=>'九','10'=>'十 ');
$monthhash=array('0'=>'','1'=>'正月','2'=>'二月','3'=>'三月','4'=>'四月','5'=>'五月','6'=>'六月','7'=>'七月','8'=>'八月','9'=>'九月','10'=>'十月','11'=>'冬月','12'=>'腊月');
$res='';
if($ismonth){
$res = $monthhash[$num];
}else{
if($num<=10){
$res = '初'.$datehash[$num];
}else if($num>10&&$num<20){
$res = '十'.$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;
}
// function test(){
// $date = $this->convertsolartolunar(2018,5,1); //公历转农历
// var_dump($date);
// // var_dump($this->tonumber($date[0]));exit;
// var_dump( count($this->getlunarmonths(2017)));exit;
// // $date = $this->getyearzodiac(2014,2,12); //根据阴历年获取生肖
// // var_dump($date);
// // $date = $this->isleapyear(2014,2,12); //判断闰年
// // var_dump($date);
// // //其它功能也是这种调用方法
// // //如果是农历转公历，代码如下：
// $date = $this->convertlunartosolar(2017,15,16); //农历转公历
// var_dump($date);
// }
// function check(){
// $date = $this->convertlunartosolar(2017,7,29); //农历转公历
// var_dump($date);
// $a= $this->lunarnextcycleyearforleap(2017,7,29,1);//闰年
// var_dump($a);
// // $a= $this->lunarnextcycleyearfornormal(2017,2,29,9);//平年
// // var_dump($a);
// $date = $this->convertlunartosolar(2025,7,29); //农历转公历
// var_dump($date);
// }
/**
* 计算农历按n个月重复是哪天，没有对应的天数继续按周期循环
* e.g 农历2017年第10个月的5个月后是2018年第二个月
*注意农历有闰月的年份会出现13个月 不能简单认为一年有12个月
* 上述例子 传递 $year=2017,$month=10,$interval=5
* 返回 array(3) { [0]=> int(2018) [1]=> int(9) [2]=> int(30) } 分别对应 年，月，日，月份如果包含闰月 同理顺延
*/
function lunarnextcyclemonth($year,$month,$day,$interval=1){
if($year>$this->max_year){
return false;//防止死循环;
}
for ($i=1;$i<=$interval;$i++){
$month++;
//计算此年最大月份，如果month比这个最大月份还大， 则轮为下年一月 ，即year+1,month=1
$yeardata = $this->lunarinfo[$year-$this->min_year];
$maxmonth = ($yeardata[0]==0?12:13);
if($month>$maxmonth){
$year++;
$month=1;
}
}
$lunarmonthdays=$this->getlunarmonthdays($year,$month);
//如果下个周期的月份没有对应的day，例如有些月份没有农历30号，则继续递归查找
if($lunarmonthdays<$day){
return $this->lunarnextcyclemonth($year,$month,$day,$interval);
}else{
return array($year,$month,$day);
}
}
/**
* 闰月重复按n年专用
* 计算农历按n年重复是哪天，没有对应的天数继续按周期循环，闰月一定是重复成闰月直到符合，例如农历2017年闰六月30号一定重复至有闰六月的年份并且含有30号
* e.g 农历2017年第10个月的5个月后是2018年第二个月
* 注意农历有闰月的年份会出现13个月 不能简单认为一年有12个月
* 上述例子 传递 $year=2017,$month=10,$interval=5
* 返回 array(3) { [0]=> int(2018) [1]=> int(9) [2]=> int(30) } 分别对应 年，月，日，月份如果包含闰月 同理顺延
*
*/
function lunarnextcycleyearforleap($year,$month,$day,$interval=1){
if($year>$this->max_year){
return false;//防止死循环;
}
//首先判断要想的日期是否闰月的日期,leapmonth的下一个月是闰月，例如leapmonth=6 那么7就是闰六月，后面月份顺推一个月，leapmonth=0代表没闰月
if($month==$this->getleapmonth($year)+1){
//闰月的日期
while ($year<=$this->max_year){
$year=$year+$interval;
//找到有相同闰月为止
$yeardata = $this->lunarinfo[$year-$this->min_year];
if($yeardata[0]!=0){
if($yeardata[0]+1==$month){//有相同闰月的年份
//查看这个年份的闰月是否符合day数也相同
$lunarmonthdays=$this->getlunarmonthdays($year,$month);
//如果下个周期的月份没有对应的day，例如有些月份没有农历30号，则继续递归查找
if($lunarmonthdays<$day){
return $this->lunarnextcycleyearforleap($year,$month,$day,$interval);
}else{
return array($year,$month,$day);
}
}
}
}
}
//2100年之后也找不到 返回没找到
return false;
}
/**
* 平月重复按n年专用
* 计算农历按n年重复是哪天，没有对应的天数继续按周期循环，闰月一定是重复成闰月直到符合，例如农历2017年闰六月30号一定重复至有闰六月的年份并且含有30号
* e.g 农历2017年第10个月的5个月后是2018年第二个月
* 注意农历有闰月的年份会出现13个月 不能简单认为一年有12个月
* 上述例子 传递 $year=2017,$month=10,$interval=5
* 返回 array(3) { [0]=> int(2018) [1]=> int(9) [2]=> int(30) } 分别对应 年，月，日，月份如果包含闰月 同理顺延
*/
function lunarnextcycleyearfornormal($year,$month,$day,$interval=1){
//平月的日期
//1.先找到对应是农历几月，由于有闰月的年份会从闰月开始后面的月份数+1，要取出剔除
$leapmonth=$this->getleapmonth($year);
if($leapmonth>0){
//此年有闰月
if($month>$leapmonth){
$month--;//有闰月并且月份在闰月之后的月份数要-1才是真正的农历月
}
}
//2.下个周期年，同理看看是不是有闰月，从闰月开始后面的月份数+1才是平月真正的月份
//此时month的值等于月份数，例如农历平7月，month=7
$year=$year+$interval;//下个周期第几年
$leapmonth=$this->getleapmonth($year);
if($leapmonth>0){
//此年有闰月
if($month>$leapmonth){
$month++;//有闰月并且月份在闰月之后的月份数要+1才是真正的需要匹配的月份
}
}
$lunarmonthdays=$this->getlunarmonthdays($year,$month);
//如果下个周期的月份没有对应的day，例如有些月份没有农历30号，则继续递归查找
if($lunarmonthdays<$day){
return $this->lunarnextcycleyearfornormal($year,$month,$day,$interval);
}else{
return array($year,$month,$day);
}
}
}
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以上就是php计算农历的实例代码的详细内容。