由于最近一个项目设计到将阳历转阴历从而得到相应节日的算法，对这方面不是很了解，于是就在网上搜了一圈。不错，还算是找到一个比较不错的php类，实现了将阳历转换为阴历（农历），阴历转换为阳历的算法(新历)，同时还能获取干支纪年，生肖，以及相应的阴历的中文叫法等等，功能还是挺齐全的，在这里共享一下。
具体类代码如下：
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&&$monthgetdaysbetweensolar($year,$month,$date,$yeardata[1],$yeardata[2]));
}
function convertsolarmonthtolunar($year,$month){
$yeardata=$this->lunarinfo[$year-$this->min_year];
if($year==$this->min_year&&$monthgetdaysbetweensolar($year,$month,$i,$yeardata[1],$yeardata[2]));
$array[]=$year.'-'.$month.'-'.$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);
$res=date('y-m-d',$res+$between*24*60*60);
$day=explode('-',$res);
$year=$day[0];
$month=$day[1];
$day=$day[2];
return array($year,$month,$day);
}
/**
* 判断是否是闰年
* @param year
*/
function isleapyear($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];
}
/**
* 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 $bitarray[$i]=substr($bit,$i,1);
}
for($k=0,$klen=16-count($bitarray);$kmin_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($i=0;$imin_year];
return $yeardata[0];
}
/**
* 计算阴历日期与正月初一相隔的天数
* @param year http://www.phpernote.com/
* @param month
* @param date
*/
function getdaysbetweenlunar($year,$month,$date){
$yearmonth=$this->getlunarmonths($year);
$res=0;
for($i=1;$i0? $year : ($year-1);
$yearmonth=$this->getlunaryearmonths($year);
$leapmonth=$this->getleapmonth($year);
$between=$between>0?$between : ($this->getlunaryeardays($year)+$between);
for($i=0;$igetcapitalnum(($leapmonth!=0&&$leapmonth+1getcapitalnum($e,false));
}
array_push($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('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[$num];
}else{
if($num10&&$num20&&$num 2013
    [1] => 五月
    [2] => 三十
    [3] => 癸巳
    [4] => 5
    [5] => 30
    [6] => 蛇
    [7] => 0
)