PHP obtains constellation information and zodiac signs based on date or time stamp, PHP Constellation_PHP Tutorial

/** 
判断干支、生肖和星座 
*/ 
function birthext($birth){ 
 if(strstr($birth,'-')===false&&strlen($birth)!==8){ 
  $birth=date("Y-m-d",$birth); 
 } 
 if(strlen($birth)===8){ 
  if(eregi('([0-9]{4})([0-9]{2})([0-9]{2})$',$birth,$bir)) 
  $birth="{$bir[1]}-{$bir[2]}-{$bir[3]}"; 
 } 
 if(strlen($birth)<8){ 
  return false; 
 } 
 $tmpstr= explode('-',$birth); 
 if(count($tmpstr)!==3){ 
  return false; 
 } 
 $y=(int)$tmpstr[0]; 
 $m=(int)$tmpstr[1]; 
 $d=(int)$tmpstr[2]; 
 $result=array(); 
 $xzdict=array('摩羯','水瓶','双鱼','白羊','金牛','双子','巨蟹','狮子','处女','天秤','天蝎','射手'); 
 $zone=array(1222,122,222,321,421,522,622,722,822,922,1022,1122,1222); 
 if((100*$m+$d)>=$zone[0]||(100*$m+$d)<$zone[1]){ 
  $i=0; 
 }else{ 
  for($i=1;$i<12;$i++){ 
   if((100*$m+$d)>=$zone[$i]&&(100*$m+$d)<$zone[$i+1]){ break; } 
  } 
 } 
 $result['xz']=$xzdict[$i].'座'; 
 $gzdict=array(array('甲','乙','丙','丁','戊','己','庚','辛','壬','癸'),array('子','丑','寅','卯','辰','巳','午','未','申','酉','戌','亥')); 
 $i= $y-1900+36;
 $result['gz']=$gzdict[0][($i%10)].$gzdict[1][($i%12)]; 
 $sxdict=array('鼠','牛','虎','兔','龙','蛇','马','羊','猴','鸡','狗','猪'); 
 $result['sx']=$sxdict[(($y-4)%12)]; 
 return $result; 
}

<&#63;php 
header("Content-Type:text/html;charset=utf-8"); 
echo '<pre class="brush:php;toolbar:false">';
$arr=birthext('1373287361'); //时间戳 
print_r($arr); 
$arr=birthext('2013-07-08'); 
print_r($arr); 
$arr=birthext('20130708'); 
print_r($arr);