<?PHP
/**
* Class Lunar
* 农历 节气 节日
* author:[email protected]
*/
class Lunar
{
public $MIN_YEAR = 1891;
public $MAX_YEAR = 2100;
public $lunarInfo = array(
array(0,2,9,21936),array(6,1,30,9656),array(0,17,9584),6,21168),array(5,26,43344),13,59728),27296),array(3,22,44368),10,43856),array(8,19304),19,19168),8,42352),29,21096),16,53856),4,55632),array(4,25,27304),22176),39632),array(2,19176),42200),18,42192),53840),54568),14,46400),3,54944),23,38608),11,38320),array(7,18872),20,18800),42160),28,45656),27216),5,27968),24,44456),11104),38256),18808),25776),54432),59984),27976),23248),37744),37600),31,51560),51536),27,55888),15,46416),43736),9680),37584),51544),46248),27808),21928),19872),42416),21176),12,19296),21088),21,59696),23208),19152),53864),7,46752),18864),42168),array(10,44448),43872),27432),23232),37736),51552),54440),46240),array(9,19360),43312),29864),19880),42208),54576),23200),27472),array(11,53848),54560),55968),46496),22224),19160),43600),46376),27936),27424),43744),51568),42704),21224),21200),43352),21920),42448),43320),26928),29336),21104),42216),53584),55592),54560)
);
/**
* 将阳历转换为阴历
* @param year 公历-年
* @param month 公历-月
* @param date 公历-日
*/
public function convertSolarToLunar($year,$month,$date)
{
$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','兔');
return $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year,$date,$yearData[1],$yearData[2]));
}
public function convertSolarMonthToLunar($year,'兔');
$month_days_ary = array(31,31);
$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,$i,$yearData[2]));
$array[] = $year . '-' . $month . '-' . $i;
$lunar_ary[$i] = $array;
}
return $lunar_ary;
}
/**
* 将阴历转换为阳历
* @param year 阴历-年
* @param month 阴历-月，闰月处理：例如如果当年闰五月，那么第二个五月就传六月，相当于阴历有13个月，只是有的时候第13个月的天数为0
* @param date 阴历-日
*/
public function convertLunarToSolar($year,$date)
{
$yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
$between = $this->getDaysBetweenLunar($year,$date);
$res = mktime(0,$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,$day);
}
/**
* 判断是否是闰年
* @param year
*/
public function isLeapYear($year)
{
return (($year%4==0 && $year%100 !=0) || ($year%400==0));
}
/**
* 获取干支纪年
* @param year
*/
public 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
*/
public 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
*/
public 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
*/
public 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
*/
public 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($bit,1);
for($k=0,$klen=16-count($bitArray);$k<$klen;$k++) array_unshift($bitArray,'0');
$bitArray = array_slice($bitArray,($leapMonth==0?12:13));
for($i=0; $i<count($bitArray); $i++) $bitArray[$i] = $bitArray[$i] + 29;
return $bitArray;
}
/**
* 获取农历每年的天数
* @param year 农历年份
*/
public function getLunarYearDays($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]);
}
public function getLunarYearMonths($year)
{
$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 $res;
}
/**
* 获取闰月
* @param year 阴历年份
*/
public function getLeapMonth($year)
{
$yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
return $yearData[0];
}
/**
* 计算阴历日期与正月初一相隔的天数
* @param year
* @param month
* @param date
*/
public function getDaysBetweenLunar($year,$date)
{
$yearMonth = $this->getLunarMonths($year);
$res=0;
for($i=1;$i<$month;$i++) $res +=$yearMonth[$i-1];
$res+=$date-1;
return $res;
}
/**
* 计算2个阳历日期之间的天数
* @param year 阳历年
* @param cmonth
* @param cdate
* @param dmonth 阴历正月对应的阳历月份
* @param ddate 阴历初一对应的阳历天数
*/
public function getDaysBetweenSolar($year,$cmonth,$cdate,$dmonth,$ddate)
{
$a = mktime(0,$year);
$b = mktime(0,$ddate,$year);
return ceil(($a-$b)/24/3600);
}
/**
* 根据距离正月初一的天数计算阴历日期
* @param year 阳历年
* @param between 天数
*/
public function getLunarByBetween($year,$between)
{
$lunarArray = array();
$yearMonth=array();
$t=0;
$e=0;
$leapMonth=0;
$m='';
if($between==0)
{
array_push($lunarArray,$year,'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);
array_push($lunarArray,$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 $lunarArray;
}
/**
* 获取数字的阴历叫法
* @param num 数字
* @param isMonth 是否是月份的数字
*/
public function getCapitalNum($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 $res;
}
/**
* 节气通用算法
*/
public function getJieQi($_year,$day)
{
$year = substr($_year,-2)+0;
$coefficient = array(
array(5.4055,2019,-1),//小寒
array(20.12,2082,1),//大寒
array(3.87),//立春
array(18.74,2026,//雨水
array(5.63),//惊蛰
array(20.646,2084,//春分
array(4.81),//清明
array(20.1),//谷雨
array(5.52,1911,//立夏
array(21.04,2008,//小满
array(5.678,1902,//芒种
array(21.37,1928,//夏至
array(7.108,2016,//小暑
array(22.83,1922,//大暑
array(7.5,2002,//立秋
array(23.13),//处暑
array(7.646,1927,//白露
array(23.042,1942,//秋分
array(8.318),//寒露
array(23.438,2089,//霜降
array(7.438,//立冬
array(22.36,1978,//小雪
array(7.18,1954,//大雪
array(21.94,2021,-1)//冬至
);
$term_name = array(
"小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至");
$idx1 = ($month-1)*2;
$_leap_value = floor(($year-1)/4);
$day1 = floor($year*0.2422+$coefficient[$idx1][0])-$_leap_value;
if(isset($coefficient[$idx1][1])&&$coefficient[$idx1][1]==$_year) $day1 += $coefficient[$idx1][2];
$day2 = floor($year*0.2422+$coefficient[$idx1+1][0])-$_leap_value;
if(isset($coefficient[$idx1+1][1])&&$coefficient[$idx1+1][1]==$_year) $day1 += $coefficient[$idx1+1][2];
if($day==$day1) return $term_name[$idx1];
if($day==$day2) return $term_name[$idx1+1];
return '';
}
/**
* 获取节日：特殊的节日只能修改此函数来计算
*/
public function getFestival($today,$nl_info = false,$config = 1)
{
if($config == 1)
{
$arr_lunar=array('01-01'=>'春节','01-15'=>'元宵节','02-02'=>'二月二','05-05'=>'端午节','07-07'=>'七夕节','08-15'=>'中秋节','09-09'=>'重阳节','12-08'=>'腊八节','12-23'=>'小年');
$arr_solar=array('01-01'=>'元旦','02-14'=>'情人节','03-12'=>'植树节','04-01'=>'愚人节','05-01'=>'劳动节','06-01'=>'儿童节','10-01'=>'国庆节','10-31'=>'万圣节','12-24'=>'平安夜','12-25'=>'圣诞节');
}//需要不同节日的，用不同的$config,然后配置$arr_lunar和$arr_solar
$festivals = array();
list($y,$d) = explode('-',$today);
if(!$nl_info) $nl_info = $this->convertSolarToLunar($y,intval($m),intval($d));
if($nl_info[7]>0&&$nl_info[7]<$nl_info[4]) $nl_info[4]-=1;
$md_lunar = substr('0'.$nl_info[4],-2).'-'.substr('0'.$nl_info[5],-2);
$md_solar=substr_replace($today,'',5);
isset($arr_lunar[$md_lunar])?array_push($festivals,$arr_lunar[$md_lunar]):'';
isset($arr_solar[$md_solar])?array_push($festivals,$arr_solar[$md_solar]):'';
$glweek = date("w",strtotime($today)); //0-6
if($m==5&&($d>7)&&($d<15)&&($glweek==0))array_push($festivals,"母亲节");
if($m==6&&($d>14)&&($d<22)&&($glweek==0))array_push($festivals,"父亲节");
$jieqi = $this->getJieQi($y,$d);
if($jieqi)array_push($festivals,$jieqi);
return implode('/',$festivals);
}
}
调用方法：
$lunar = new Lunar();
$month = $lunar->convertSolarToLunar(date('Y'),date('m'),date('d'));
print_r($month);
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