這是一個實用的PHP日期時間操作類，裡面包括了公歷-農歷轉換、轉換成中文日期格式、計算農歷相隔天數、根據陰歷年獲取生肖、獲取陰歷月份的天數、獲取農歷每年的天數、獲取閏月、計算陰歷日期與正月初一相隔的天數、計算2個公歷(陽歷)日期之間的天數、根據距離正月初一的天數計算陰歷日期、獲取天干地支紀年等，PHP日期操作類：Lunar.class.php代碼如下：
001
002class Lunar {
003 var $MIN_YEAR = 1891;
004 var $MAX_YEAR = 2100;
005 var $lunarInfo = array(
006 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),
007 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),
008 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),
009 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),
010 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),
011 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),
012 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),
013 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),
014 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),
015 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),
016 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),
017 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),
018 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),
019 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),
020 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),
021 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),
022 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),
023 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),
024 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),
025 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),
026 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),
027 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),
028 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),
029 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),
030 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),
031 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),
032 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),
033 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),
034 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),
035 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),
036 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),
037 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),
038 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),
039 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),
040 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)
041 );
042 /**
043 * 將陽歷轉換為陰歷
044 * @param year 公歷-年
045 * @param month 公歷-月
046 * @param date 公歷-日
047 */
048 function convertSolarToLunar($year,$month,$date){
049 //debugger;
050 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
051 if($year==$this->MIN_YEAR&&$month<=2&&$date<=9){
052 return array(1891,'正月','初一','辛卯',1,1,'兔');
053 }
054 return $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year,$month,$date,$yearData[1],$yearData[2]));
055 }
056 function convertSolarMonthToLunar($year,$month) {
057 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
058 if($year==$this->MIN_YEAR&&$month<=2&&$date<=9){
059 return array(1891,'正月','初一','辛卯',1,1,'兔');
060 }
061 $month_days_ary = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
062 $dd = $month_days_ary[$month];
063 if($this->isLeapYear($year) && $month == 2) $dd++;
064 $lunar_ary = array();
065 for ($i = 1; $i < $dd; $i++) {
066 $array = $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year, $month, $i, $yearData[1],$yearData[2]));
067 $array[] = $year . '-' . $month . '-' . $i;
068 $lunar_ary[$i] = $array;
069 }
070 return $lunar_ary;
071 }
072 /**
073 * 判斷是否是閏年
074 * @param year
075 */
076 function isLeapYear($year){
077 return (($year%4==0 && $year%100 !=0) || ($year%400==0));
078 }
079 /**
080 * 獲取干支紀年
081 * @param year
082 */
083 function getLunarYearName($year){
084 $sky = array('庚','辛','壬','癸','甲','乙','丙','丁','戊','己');
085 $earth = array('申','酉','戌','亥','子','丑','寅','卯','辰','巳','午','未');
086 $year = $year.'';
087 return $sky[$year{3}].$earth[$year%12];
088 }
089 /**
090 * 根據陰歷年獲取生肖
091 * @param year 陰歷年
092 */
093 function getYearZodiac($year){
094 $zodiac = array('猴','雞','狗','豬','鼠','牛','虎','兔','龍','蛇','馬','羊');
095 return $zodiac[$year%12];
096 }
097 /**
098 * 將陰歷轉換為陽歷
099 * @param year 陰歷-年
100 * @param month 陰歷-月，閏月處理：例如如果當年閏五月，那麼第二個五月就傳六月，相當於陰歷有13個月，只是有的時候第13個月的天數為0
101 * @param date 陰歷-日
102 */
103 function convertLunarToSolar($year,$month,$date){
104 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
105 $between = $this->getDaysBetweenLunar($year,$month,$date);
106 $res = mktime(0,0,0,$yearData[1],$yearData[2],$year);
107 $res = date('Y-m-d', $res+$between*24*60*60);
108 $day = explode('-', $res);
109 $year = $day[0];
110 $month= $day[1];
111 $day = $day[2];
112 return array($year, $month, $day);
113 }
114 /**
115 * 獲取陽歷月份的天數
116 * @param year 陽歷-年
117 * @param month 陽歷-月
118 */
119 function getSolarMonthDays($year,$month){
120 $monthHash = array('1'=>31,'2'=>$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);
121 return $monthHash["$month"];
122 }
123 /**
124 * 獲取陰歷月份的天數
125 * @param year 陰歷-年
126 * @param month 陰歷-月，從一月開始
127 */
128 function getLunarMonthDays($year,$month){
129 $monthData = $this->getLunarMonths($year);
130 return $monthData[$month-1];
131 }
132 /**
133 * 獲取陰歷每月的天數的數組
134 * @param year
135 */
136 function getLunarMonths($year){
137 $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
138 $leapMonth = $yearData[0];
139 $bit = decbin($yearData[3]);
140 for ($i = 0; $i < strlen($bit);$i ++) {
141 $bitArray[$i] = substr($bit, $i, 1);
142 }
143 for($k=0,$klen=16-count($bitArray);$k<$klen;$k++){
144 array_unshift($bitArray, '0');
145 }
146 $bitArray = array_slice($bitArray,0,($leapMonth==0?12:13));
147 for($i=0; $i
148 $bitArray[$i] = $bitArray[$i] + 29;
149 }
150 return $bitArray;
151 }
152 /**
153 * 獲取農歷每年的天數
154 * @param year 農歷年份
155 */
156 function getLunarYearDays($year){
157 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
158 $monthArray = $this->getLunarYearMonths($year);
159 $len = count($monthArray);
160 return ($monthArray[$len-1]==0?$monthArray[$len-2]:$monthArray[$len-1]);
161 }
162 function getLunarYearMonths($year){
163 //debugger;
164 $monthData = $this->getLunarMonths($year);
165 $res=array();
166 $temp=0;
167 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
168 $len = ($yearData[0]==0?12:13);
169 for($i=0;$i<$len;$i++){
170 $temp=0;
171 for($j=0;$j<=$i;$j++){
172 $temp+=$monthData[$j];
173 }
174 array_push($res, $temp);
175 }
176 return $res;
177 }
178 /**
179 * 獲取閏月
180 * @param year 陰歷年份
181 */
182 function getLeapMonth($year){
183 $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
184 return $yearData[0];
185 }
186 /**
187 * 計算陰歷日期與正月初一相隔的天數
188 * @param year
189 * @param month
190 * @param date
191 */
192 function getDaysBetweenLunar($year,$month,$date){
193 $yearMonth = $this->getLunarMonths($year);
194 $res=0;
195 for($i=1;$i<$month;$i++){
196 $res +=$yearMonth[$i-1];
197 }
198 $res+=$date-1;
199 return $res;
200 }
201 /**
202 * 計算2個陽歷日期之間的天數
203 * @param year 陽歷年
204 * @param cmonth
205 * @param cdate
206 * @param dmonth 陰歷正月對應的陽歷月份
207 * @param ddate 陰歷初一對應的陽歷天數
208 */
209 function getDaysBetweenSolar($year,$cmonth,$cdate,$dmonth,$ddate){
210 $a = mktime(0,0,0,$cmonth,$cdate,$year);
211 $b = mktime(0,0,0,$dmonth,$ddate,$year);
212 return ceil(($a-$b)/24/3600);
213 }
214 /**
215 * 根據距離正月初一的天數計算陰歷日期
216 * @param year 陽歷年
217 * @param between 天數
218 */
219 function getLunarByBetween($year,$between){
220 //debugger;
221 $lunarArray = array();
222 $yearMonth=array();
223 $t=0;
224 $e=0;
225 $leapMonth=0;
226 $m='';
227 if($between==0){
228 array_push($lunarArray, $year,'正月','初一');
229 $t = 1;
230 $e = 1;
231 }else{
232 $year = $between>0? $year : ($year-1);
233 $yearMonth = $this->getLunarYearMonths($year);
234 $leapMonth = $this->getLeapMonth($year);
235 $between = $between>0?$between : ($this->getLunarYearDays($year)+$between);
236 for($i=0;$i<13;$i++){
237 if($between==$yearMonth[$i]){
238 $t=$i+2;
239 $e=1;
240 break;
241 }else if($between<$yearMonth[$i]){
242 $t=$i+1;
243 $e=$between-(empty($yearMonth[$i-1])?0:$yearMonth[$i-1])+1;
244 break;
245 }
246 }
247 $m = ($leapMonth!=0&&$t==$leapMonth+1)?('閏'.$this->getCapitalNum($t- 1,true)):$this->getCapitalNum(($leapMonth!=0&&$leapMonth+1<$t?($t-1):$t),true);
248 $my_year = $this->toYear($year);
249 array_push($lunarArray,$my_year,$m,$this->getCapitalNum($e,false));
250 }
251 array_push($lunarArray,$this->getLunarYearName($year));// 天干地支
252 array_push($lunarArray,$t,$e);
253 array_push($lunarArray,$this->getYearZodiac($year));// 12生肖
254 array_push($lunarArray,$leapMonth);// 閏幾月
255 return $lunarArray;
256 }
257 //轉換成中文年份
258 function toYear($year){
259 $arr = array("零","一","二","三","四","五","六","七","八","九");
260 $year_arr = str_split($year);
261 $str = $arr[$year_arr[0]].$arr[$year_arr[1]].$arr[$year_arr[2]].$arr[$year_arr[3]];
262 return $str;
263 }
264 /**
265 * 獲取數字的陰歷叫法
266 * @param num 數字
267 * @param isMonth 是否是月份的數字
268 */
269 function getCapitalNum($num,$isMonth){
270 $isMonth = $isMonth || false;
271 $dateHash=array('0'=>'','1'=>'一','2'=>'二','3'=>'三','4'=>'四','5'=>'五','6'=>'六','7'=>'七','8'=>'八','9'=>'九','10'=>'十 ');
272 $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'=>'臘月');
273 $res='';
274 if($isMonth){
275 $res = $monthHash[$num];
276 }else{
277 if($num<=10){
278 $res = '初'.$dateHash[$num];
279 }else if($num>10&&$num<20){
280 $res = '十'.$dateHash[$num-10];
281 }else if($num==20){
282 $res = "二十";
283 }else if($num>20&&$num<30){
284 $res = "廿".$dateHash[$num-20];
285 }else if($num==30){
286 $res = "三十";
287 }
288 }
289 return $res;
290 }
291}
292?>
請將上面的代碼保存為：Lunar.class.php，下面的例子將會調用這個文件，告訴你使用方法。
01
02require_once("Lunar.class.php");//先包含這個文件
03$lunar = new Lunar();//生成對象
04$date = $lunar->convertLunarToSolar(2014,2,12); //公歷轉農歷
05$date = $lunar->getYearZodiac(2014,2,12); //根據陰歷年獲取生肖
06$date = $lunar->isLeapYear(2014,2,12); //判斷閏年
07//其它功能也是這種調用方法
08print_r($date);
09//如果是農歷轉公歷，代碼如下：
10$date = $lunar->convertLunarToSolar(2014,2,12); //農歷轉公歷
11print_r($date);
12?>
其實裡面的一些功能可以單獨接出來當作函數用，不需要的可以刪除。
