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<?php
/*{{{LICENSE
+-----------------------------------------------------------------------+
| SlightPHP Framework |
+-----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation. You should have received a copy of the |
| GNU General Public License along with this program. If not, see |
| http://www.gnu.org/licenses/. |
| Copyright (C) 2008-2009. All Rights Reserved. |
+-----------------------------------------------------------------------+
| Supports: http://www.slightphp.com |
+-----------------------------------------------------------------------+
}}}*/
/**
* @package SlightPHP
*/
/*阳历转换为农历方法*/
class SLunar {
/**
* 农历年分
* @var int $year
*/
var $year;
/**
* 农历月分
* @var int $month
*/
var $month;
/**
* 农历日期
* @var int $day
*/
var $day;
/**
* 在本年中的第几日，保留
* @var int $days
*/
//var $days;
/**
* 是否是润年
* @var boolean $isLeap
*/
var $isLeap;
/**
* 离1900之间有多少个年份
* @var int $yearCyl
*/
var $yearCyl;
/**
* 离1900之间有多少天
* @var int $dayCyl
*/
var $dayCyl;
/**
* 离1900之间有多少个月份
* @var int $monCyl
*/
var $monCyl;
private $lunarInfo = array(
0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,
0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0,
0x14b63);
/**
* 传回农历 y年的总天数
*/
function lYearDays($y) {
$sum = 348;
for($i=0x8000; $i>0x8; $i>>=1)
$sum += ($this->lunarInfo[$y-1900] & $i)? 1: 0;
return $sum+$this->leapDays($y);
}
/**
* 传回农历 y年闰月的天数
*/
function leapDays($y) {
if($this->leapMonth($y))
return ($this->lunarInfo[$y-1900] & 0x10000)? 30: 29;
else return 0;
}
/**
* 传回农历 y年闰哪个月 1-12 , 没闰传回 0
*/
function leapMonth($y) {
return $this->lunarInfo[$y-1900] & 0xf;
}
/**
* 传回农历 y年m月的总天数
*/
function monthDays($y,$m) {
return ($this->lunarInfo[$y-1900] & (0x10000>>$m))? 30: 29;
}
/**
* 创建农历日期对象
*/
function SLunar($year,$month=1,$day=1) {
//date from 1901-12-14 to 2038-01-19 [windows]
//date from 1901-12-15 to 2038-01-19 [linux]
$time = mktime(0,0,0,$month,$day,$year);
if( $time ===false){
return false;
}
$offset = round($time/86400)+25537;
$this->dayCyl = $offset + 40;
$this->monCyl = 14;
for($i=1900; $i<$year && $offset>0; $i++) {
$temp = $this->lYearDays($i);
$offset -= $temp;
$this->monCyl += 12;
}
if($offset<0) {
$offset += $temp;
$i--;
$this->monCyl -= 12;
}
$this->year = $i;
$this->yearCyl = $i-1864;
$leap = $this->leapMonth($i); //闰哪个月
$this->isLeap = false;
for($i=1; $i<13 && $offset>0; $i++) {
//闰月
if($leap>0 && $i==($leap+1) && $this->isLeap==false) {
$i--;
$this->isLeap = true;
$temp = $this->leapDays($this->year);
}else {
$temp = $this->monthDays($this->year, $i);
}
//解除闰月
if($this->isLeap==true && $i==($leap+1))
$this->isLeap = false;
$offset -= $temp;
if($this->isLeap == false)
$this->monCyl ++;
}
if($offset==0 && $leap>0 && $i==$leap+1)
if($this->isLeap)
$this->isLeap = false;
else {
$this->isLeap = true;
$i--;
$this->monCyl--;
}
if($offset<0) {
$offset += $temp;
$i--;
$this->monCyl--;
}
$this->month = $i;
$this->day = $offset + 1;
/*
$days = $this->day;
for($i=1;$i<=$this->month;$i++){
if($i==$this->leapMonth($this->year) &&$this->isLeap){
$days +=$this->leapDays($this->year);
}
if($i!=$this->month)
$days +=$this->monthDays($this->year,$this->month);
}
$this->days = $days;*/
}
function cyclical($num) {
$Gan = Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
$Zhi = Array("子（鼠）","丑（牛）","寅（虎）","卯（兔）","辰（龙）","巳（蛇）","午（马）","未（羊）","申（猴）","酉（鸡）","戌（狗）","亥（猪）");
return $Gan[$num%10].$Zhi[$num%12];
}
/**
* 输出，根据需要直接修改本函数或在派生类中重写本函数
*/
function display() {
$nStr = array(' ','正','二','三','四','五','六','七','八','九','十','十一','腊');
if($this->yearCyl && $this->month && $this->day)
$nl = sprintf("%s年 %s%s月%s",$this->cyclical($this->yearCyl),($this->isLeap?"闰":""),$nStr[$this->month],$this->cDay($this->day));
else
$nl =null;
//echo sprintf("农历 %s%s月%s<br>",($this->isLeap?"闰":""),$nStr[$this->month],$this->cDay($this->day));
//echo sprintf("%s年 %s月 %s日",$this->cyclical($this->yearCyl),$this->cyclical($this->monCyl),$this->cyclical($this->dayCyl));
RETURN $nl;
}
/**
* 中文日期
*/
function cDay($d) {
$nStr1 = array('日','一','二','三','四','五','六','七','八','九','十');
$nStr2 = array('初','十','廿','卅',' ');
switch($d) {
case 10:
$s = '初十';
break;
case 20:
$s = '二十';
break;
case 30:
$s = '三十';
break;
default :
$s = $nStr2[floor($d/10)];
$s .= $nStr1[$d%10];
}
return $s;
}
}
/*test case */
/*
$ld = new SLunar(2004,2,26);
$ld2 = new SLunar(2004,3,26);
echo $nl = $ld->display();
echo "\n";
echo $n2 = $ld2->display();
echo "\n";
echo $ld->month.":".$ld2->month."\n";
//这是阳历日期在当年阴历中的第days天
echo $ld->days.":".$ld2->days."\n";
echo $ld->dayCyl.":".$ld2->dayCyl."\n";
//这是2个阳历的阴历相隔天数
echo "相隔天数:".($ld2->dayCyl - $ld->dayCyl) .":\n";
*/
?>