利用php怎么将阳历转换为农历

今天就跟大家聊聊有关利用php怎么将阳历转换为农历，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。

具体内容如下

<?php
 
function nongli($riqi)
{
//优化修改 20160807 FXL 
$nian=date('Y',strtotime($riqi));
$yue=date('m',strtotime($riqi));
$ri=date('d',strtotime($riqi));
 
 #源码部分原作者：沈潋(S&S Lab) 
 #农历每月的天数 
 $everymonth=array( 
          0=>array(8,0,0,0,0,0,0,0,0,0,0,0,29,30,7,1), 
          1=>array(0,29,30,29,29,30,29,30,29,30,30,30,29,0,8,2), 
          2=>array(0,30,29,30,29,29,30,29,30,29,30,30,30,0,9,3), 
          3=>array(5,29,30,29,30,29,29,30,29,29,30,30,29,30,10,4), 
          4=>array(0,30,30,29,30,29,29,30,29,29,30,30,29,0,1,5), 
          5=>array(0,30,30,29,30,30,29,29,30,29,30,29,30,0,2,6), 
          6=>array(4,29,30,30,29,30,29,30,29,30,29,30,29,30,3,7), 
          7=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,4,8), 
          8=>array(0,30,29,29,30,30,29,30,29,30,30,29,30,0,5,9), 
          9=>array(2,29,30,29,29,30,29,30,29,30,30,30,29,30,6,10), 
          10=>array(0,29,30,29,29,30,29,30,29,30,30,30,29,0,7,11), 
          11=>array(6,30,29,30,29,29,30,29,29,30,30,29,30,30,8,12), 
          12=>array(0,30,29,30,29,29,30,29,29,30,30,29,30,0,9,1), 
          13=>array(0,30,30,29,30,29,29,30,29,29,30,29,30,0,10,2), 
          14=>array(5,30,30,29,30,29,30,29,30,29,30,29,29,30,1,3), 
          15=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,2,4), 
          16=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,3,5), 
          17=>array(2,30,29,29,30,29,30,30,29,30,30,29,30,29,4,6), 
          18=>array(0,30,29,29,30,29,30,29,30,30,29,30,30,0,5,7), 
          19=>array(7,29,30,29,29,30,29,29,30,30,29,30,30,30,6,8), 
          20=>array(0,29,30,29,29,30,29,29,30,30,29,30,30,0,7,9), 
          21=>array(0,30,29,30,29,29,30,29,29,30,29,30,30,0,8,10), 
          22=>array(5,30,29,30,30,29,29,30,29,29,30,29,30,30,9,11), 
          23=>array(0,29,30,30,29,30,29,30,29,29,30,29,30,0,10,12), 
          24=>array(0,29,30,30,29,30,30,29,30,29,30,29,29,0,1,1), 
          25=>array(4,30,29,30,29,30,30,29,30,30,29,30,29,30,2,2), 
          26=>array(0,29,29,30,29,30,29,30,30,29,30,30,29,0,3,3), 
          27=>array(0,30,29,29,30,29,30,29,30,29,30,30,30,0,4,4), 
          28=>array(2,29,30,29,29,30,29,29,30,29,30,30,30,30,5,5), 
          29=>array(0,29,30,29,29,30,29,29,30,29,30,30,30,0,6,6), 
          30=>array(6,29,30,30,29,29,30,29,29,30,29,30,30,29,7,7), 
          31=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,8,8), 
          32=>array(0,30,30,30,29,30,29,30,29,29,30,29,30,0,9,9), 
          33=>array(5,29,30,30,29,30,30,29,30,29,30,29,29,30,10,10), 
          34=>array(0,29,30,29,30,30,29,30,29,30,30,29,30,0,1,11), 
          35=>array(0,29,29,30,29,30,29,30,30,29,30,30,29,0,2,12), 
          36=>array(3,30,29,29,30,29,29,30,30,29,30,30,30,29,3,1), 
          37=>array(0,30,29,29,30,29,29,30,29,30,30,30,29,0,4,2), 
          38=>array(7,30,30,29,29,30,29,29,30,29,30,30,29,30,5,3), 
          39=>array(0,30,30,29,29,30,29,29,30,29,30,29,30,0,6,4), 
          40=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,7,5), 
          41=>array(6,30,30,29,30,30,29,30,29,29,30,29,30,29,8,6), 
          42=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,9,7), 
          43=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,10,8), 
          44=>array(4,30,29,30,29,30,29,30,29,30,30,29,30,30,1,9), 
          45=>array(0,29,29,30,29,29,30,29,30,30,30,29,30,0,2,10), 
          46=>array(0,30,29,29,30,29,29,30,29,30,30,29,30,0,3,11), 
          47=>array(2,30,30,29,29,30,29,29,30,29,30,29,30,30,4,12), 
          48=>array(0,30,29,30,29,30,29,29,30,29,30,29,30,0,5,1), 
          49=>array(7,30,29,30,30,29,30,29,29,30,29,30,29,30,6,2), 
          50=>array(0,29,30,30,29,30,30,29,29,30,29,30,29,0,7,3), 
          51=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,8,4), 
          52=>array(5,29,30,29,30,29,30,29,30,30,29,30,29,30,9,5), 
          53=>array(0,29,30,29,29,30,30,29,30,30,29,30,29,0,10,6), 
          54=>array(0,30,29,30,29,29,30,29,30,30,29,30,30,0,1,7), 
          55=>array(3,29,30,29,30,29,29,30,29,30,29,30,30,30,2,8), 
          56=>array(0,29,30,29,30,29,29,30,29,30,29,30,30,0,3,9), 
          57=>array(8,30,29,30,29,30,29,29,30,29,30,29,30,29,4,10), 
          58=>array(0,30,30,30,29,30,29,29,30,29,30,29,30,0,5,11), 
          59=>array(0,29,30,30,29,30,29,30,29,30,29,30,29,0,6,12), 
          60=>array(6,30,29,30,29,30,30,29,30,29,30,29,30,29,7,1), 
          61=>array(0,30,29,30,29,30,29,30,30,29,30,29,30,0,8,2), 
          62=>array(0,29,30,29,29,30,29,30,30,29,30,30,29,0,9,3), 
          63=>array(4,30,29,30,29,29,30,29,30,29,30,30,30,29,10,4), 
          64=>array(0,30,29,30,29,29,30,29,30,29,30,30,30,0,1,5), 
          65=>array(0,29,30,29,30,29,29,30,29,29,30,30,29,0,2,6), 
          66=>array(3,30,30,30,29,30,29,29,30,29,29,30,30,29,3,7), 
          67=>array(0,30,30,29,30,30,29,29,30,29,30,29,30,0,4,8), 
          68=>array(7,29,30,29,30,30,29,30,29,30,29,30,29,30,5,9), 
          69=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,6,10), 
          70=>array(0,30,29,29,30,29,30,30,29,30,30,29,30,0,7,11), 
          71=>array(5,29,30,29,29,30,29,30,29,30,30,30,29,30,8,12), 
          72=>array(0,29,30,29,29,30,29,30,29,30,30,29,30,0,9,1), 
          73=>array(0,30,29,30,29,29,30,29,29,30,30,29,30,0,10,2), 
          74=>array(4,30,30,29,30,29,29,30,29,29,30,30,29,30,1,3), 
          75=>array(0,30,30,29,30,29,29,30,29,29,30,29,30,0,2,4), 
          76=>array(8,30,30,29,30,29,30,29,30,29,29,30,29,30,3,5), 
          77=>array(0,30,29,30,30,29,30,29,30,29,30,29,29,0,4,6), 
          78=>array(0,30,29,30,30,29,30,30,29,30,29,30,29,0,5,7), 
          79=>array(6,30,29,29,30,29,30,30,29,30,30,29,30,29,6,8), 
          80=>array(0,30,29,29,30,29,30,29,30,30,29,30,30,0,7,9), 
          81=>array(0,29,30,29,29,30,29,29,30,30,29,30,30,0,8,10), 
          82=>array(4,30,29,30,29,29,30,29,29,30,29,30,30,30,9,11), 
          83=>array(0,30,29,30,29,29,30,29,29,30,29,30,30,0,10,12), 
          84=>array(10,30,29,30,30,29,29,30,29,29,30,29,30,30,1,1), 
          85=>array(0,29,30,30,29,30,29,30,29,29,30,29,30,0,2,2), 
          86=>array(0,29,30,30,29,30,30,29,30,29,30,29,29,0,3,3), 
          87=>array(6,30,29,30,29,30,30,29,30,30,29,30,29,29,4,4), 
          88=>array(0,30,29,30,29,30,29,30,30,29,30,30,29,0,5,5), 
          89=>array(0,30,29,29,30,29,29,30,30,29,30,30,30,0,6,6), 
          90=>array(5,29,30,29,29,30,29,29,30,29,30,30,30,30,7,7), 
          91=>array(0,29,30,29,29,30,29,29,30,29,30,30,30,0,8,8), 
          92=>array(0,29,30,30,29,29,30,29,29,30,29,30,30,0,9,9), 
          93=>array(3,29,30,30,29,30,29,30,29,29,30,29,30,29,10,10), 
          94=>array(0,30,30,30,29,30,29,30,29,29,30,29,30,0,1,11), 
          95=>array(8,29,30,30,29,30,29,30,30,29,29,30,29,30,2,12), 
          96=>array(0,29,30,29,30,30,29,30,29,30,30,29,29,0,3,1), 
          97=>array(0,30,29,30,29,30,29,30,30,29,30,30,29,0,4,2), 
          98=>array(5,30,29,29,30,29,29,30,30,29,30,30,29,30,5,3), 
          99=>array(0,30,29,29,30,29,29,30,29,30,30,30,29,0,6,4), 
          100=>array(0,30,30,29,29,30,29,29,30,29,30,30,29,0,7,5), 
          101=>array(4,30,30,29,30,29,30,29,29,30,29,30,29,30,8,6), 
          102=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,9,7), 
          103=>array(0,30,30,29,30,30,29,30,29,29,30,29,30,0,10,8), 
          104=>array(2,29,30,29,30,30,29,30,29,30,29,30,29,30,1,9), 
          105=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,2,10), 
          106=>array(7,30,29,30,29,30,29,30,29,30,30,29,30,30,3,11), 
          107=>array(0,29,29,30,29,29,30,29,30,30,30,29,30,0,4,12), 
          108=>array(0,30,29,29,30,29,29,30,29,30,30,29,30,0,5,1), 
          109=>array(5,30,30,29,29,30,29,29,30,29,30,29,30,30,6,2), 
          110=>array(0,30,29,30,29,30,29,29,30,29,30,29,30,0,7,3), 
          111=>array(0,30,29,30,30,29,30,29,29,30,29,30,29,0,8,4), 
          112=>array(4,30,29,30,30,29,30,29,30,29,30,29,30,29,9,5), 
          113=>array(0,30,29,30,29,30,30,29,30,29,30,29,30,0,10,6), 
          114=>array(9,29,30,29,30,29,30,29,30,30,29,30,29,30,1,7), 
          115=>array(0,29,30,29,29,30,29,30,30,30,29,30,29,0,2,8), 
          116=>array(0,30,29,30,29,29,30,29,30,30,29,30,30,0,3,9), 
          117=>array(6,29,30,29,30,29,29,30,29,30,29,30,30,30,4,10), 
          118=>array(0,29,30,29,30,29,29,30,29,30,29,30,30,0,5,11), 
          119=>array(0,30,29,30,29,30,29,29,30,29,29,30,30,0,6,12), 
          120=>array(4,29,30,30,30,29,30,29,29,30,29,30,29,30,7,1) 
          ); 
############################## 
 #农历天干 
 $mten=array("null","甲","乙","丙","丁","戊","己","庚","辛","壬","癸"); 
 #农历地支 
 $mtwelve=array("null","子(鼠)","丑(牛)","寅(虎)","卯(兔)","辰(龙)", 
         "巳(蛇)","午(马)","未(羊)","申(猴)","酉(鸡)","戌(狗)","亥(猪)"); 
 #农历月份 
 $mmonth=array("闰","正","二","三","四","五","六", 
        "七","八","九","十","十一","十二","月"); 
 #农历日 
 $mday=array("null","初一","初二","初三","初四","初五","初六","初七","初八","初九","初十", 
       "十一","十二","十三","十四","十五","十六","十七","十八","十九","二十", 
       "廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十"); 
############################## 
 #星期 
 $weekday = array("星期日","星期一","星期二","星期三","星期四","星期五","星期六"); 
 #阳历总天数 至1900年12月21日 
 $total=11; 
 #阴历总天数 
 $mtotal=0; 
############################## 
 #获得当日日期 
 //$today=getdate(); //获取今天的日期
 if($nian<1901 || $nian>2020) die("年份出错！"); 
 //$cur_wday=$today["wday"]; //星期中第几天的数字表示
 for($y=1901;$y<$nian;$y++) { //计算到所求日期阳历的总天数-自1900年12月21日始,先算年的和 
    $total+=365; 
    if ($y%4==0) $total++; 
 } 
 switch($yue) { //再加当年的几个月 
     case 12: 
       $total+=30; 
     case 11: 
       $total+=31; 
     case 10: 
       $total+=30; 
     case 9: 
       $total+=31; 
     case 8: 
       $total+=31; 
     case 7: 
       $total+=30; 
     case 6: 
       $total+=31; 
     case 5: 
       $total+=30; 
     case 4: 
       $total+=31; 
     case 3: 
       $total+=28; 
     case 2: 
       $total+=31; 
 } 
 if($nian%4 == 0 && $yue>2) $total++; //如果当年是闰年还要加一天 
 $total=$total+$ri-1; //加当月的天数 
 $flag1=0; //判断跳出循环的条件 
 $j=0; 
 while ($j<=120){ //用农历的天数累加来判断是否超过阳历的天数 
   $i=1; 
   while ($i<=13){ 
      $mtotal+=$everymonth[$j][$i]; 
      if ($mtotal>=$total){ 
         $flag1=1; 
         break; 
      } 
      $i++; 
   } 
   if ($flag1==1) break; 
   $j++; 
 } 
 if($everymonth[$j][0]<>0 and $everymonth[$j][0]<$i){ //原来错在这里，对闰月没有修补 
   $mm=$i-1; 
 } 
 else{ 
   $mm=$i; 
 } 
 if($i==$everymonth[$j][0]+1 and $everymonth[$j][0]<>0) { 
   $nlmon=$mmonth[0].$mmonth[$mm];#闰月 
 } 
 else { 
   $nlmon=$mmonth[$mm].$mmonth[13]; 
 } 
 #计算所求月份1号的农历日期 
 $md=$everymonth[$j][$i]-($mtotal-$total); 
 if($md > $everymonth[$j][$i]) 
   $md-=$everymonth[$j][$i]; 
 $nlday=$mday[$md]; 
  
 //$nowday=date("Y年n月j日 ")."w".$weekday[$cur_wday]." ".$mten[$everymonth[$j][14]].$mtwelve[$everymonth[$j][15]]."年".$nlmon.$nlday; 
 $nowday=$mten[$everymonth[$j][14]].$mtwelve[$everymonth[$j][15]]."年 ".$nlmon.$nlday; 
 return $nowday;
}
echo nongli('20160807'); //标准8位

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