PHP 金额数字转换成英文

找了很久，搜索的关键词总是词不达意似的。

<?php 
$num=1220.01; 
echo fmoney($num);//结果：1,220.21 
echo umoney($num); 
//结果：ONE THOUSAND AND TWO HUNDRED TWENTY DOLLARS AND TWENTY-ONE CENTS ONLY 
echo umoney($num,"rmb"); 
//结果：ONE THOUSAND AND TWO HUNDRED TWENTY YUAN AND TWENTY-ONE FEN ONLY 

//define 
//格式化货币 
function fmoney($num) { 
$num=0+$num; 
$num = sprintf("%.02f",$num); 
if(strlen($num) <= 6) return $num; 
//从最后开始算起，每3个数它加一个"," 
for($i=strlen($num)-1,$k=1, $j=100; $i >= 0; $i--,$k++) { 
$one_num = substr($num,$i,1); 
if($one_num ==".") { 
$numArray[$j--] = $one_num; 
$k=0; 
continue; 
} 

if($k%3==0 and $i!=0) { 
//如果正好只剩下3个数字，则不加',' 
$numArray[$j--] = $one_num; 
$numArray[$j--] = ","; 
$k=0; 
} else { 
$numArray[$j--]=$one_num; 
} 
} 
ksort($numArray); 
return join("",$numArray); 
} 




function umoney($num,$type="usd") { 
global $numTable,$commaTable,$moneyType; 

//global $numTable; 
$numTable[0]="ZERO "; 
$numTable[1]="ONE "; 
$numTable[2]="TWO "; 
$numTable[3]="THREE "; 
$numTable[4]="FOUR "; 
$numTable[5]="FIVE "; 
$numTable[6]="SIX "; 
$numTable[7]="SEVEN "; 
$numTable[8]="EIGHT "; 
$numTable[9]="NINE "; 
$numTable[10]="TEN "; 
$numTable[11]="ELEVEN "; 
$numTable[12]="TWELVE "; 
$numTable[13]="THIRTEEN "; 
$numTable[14]="FOURTEEN "; 
$numTable[15]="FIFTEEN "; 
$numTable[16]="SIXTEEN "; 
$numTable[17]="SEVENTEEN "; 
$numTable[18]="EIGHTEEN "; 
$numTable[19]="NINETEEN "; 
$numTable[20]="TWENTY "; 
$numTable[30]="THIRTY "; 
$numTable[40]="FORTY "; 
$numTable[50]="FIFTY "; 
$numTable[60]="SIXTY "; 
$numTable[70]="SEVENTY "; 
$numTable[80]="EIGHTY "; 
$numTable[90]="NINETY "; 

$commaTable[0]="HUNDRED "; 
$commaTable[1]="THOUSAND "; 
$commaTable[2]="MILLION "; 
$commaTable[3]="MILLIARD "; 
$commaTable[4]="BILLION "; 
$commaTable[5]="????? "; 

//单位 
$moneyType["usd"]="DOLLARS "; 
$moneyType["usd_1"]="CENTS ONLY"; 
$moneyType["rmb"]="YUAN "; 
$moneyType["rmb_1"]="FEN ONLY"; 


if($type=="") $type="usd"; 
$fnum = fmoney($num); 
$numArray = explode(",",$fnum); 
$resultArray = array(); 
$k=0; 
$cc=count($numArray); 
for($i = 0; $i < count($numArray); $i++) { 
$num_str = $numArray[$i]; 
//echo "<br>"; 
//小数位的处理400.21 
if(eregi("\.",$num_str)) { 
$dotArray = explode(".",$num_str); 
if($dotArray[1] != 0) { 
$resultArray[$k++]=format3num($dotArray[0]+0); 
$resultArray[$k++]=$moneyType[strtolower($type)]; 
$resultArray[$k++]="AND "; 
$resultArray[$k++]=format3num($dotArray[1]+0); 
$resultArray[$k++]=$moneyType[strtolower($type)."_1"]; 
} else { 
$resultArray[$k++]=format3num($dotArray[0]+0); 
$resultArray[$k++]=$moneyType[strtolower($type)]; 
} 
} else { 
//非小数位的处理 
if(($num_str+0)!=0) { 
$resultArray[$k++]=format3num($num_str+0); 
$resultArray[$k++]=$commaTable[--$cc]; 
//判断：除小数外其余若不为零则加and 
for($j=$i; $j <= $cc; $j++) { 
//echo "<br>"; 
//echo $numArray[$j]; 
if($numArray[$j] !=0) { 
$resultArray[$k++]="AND "; 
break; 
} 
} 
} 
} 
} 
return join("",$resultArray); 
} 



function format3num($num) { 
global $numTable,$commaTable; 
$numlen = strlen($num); 
for($i = 0,$j = 0;$i < $numlen; $i++) { 
$bitenum[$j++] = substr($num,$i,1); 
} 
if($num==0) return ""; 
if($numlen == 1) return $numTable[$num]; 
if($numlen == 2) { 
if($num <= 20) return $numTable[$num]; 
//第一位不可能零 
if($bitenum[1]==0) { 
return $numTable[$num]; 
} else { 
return trim($numTable[$bitenum[0]*10])."-".$numTable[$bitenum[1]]; 
} 

} 
//第一个不可能为零 
if($numlen == 3) { 
if($bitenum[1]==0 && $bitenum[2]==0) { 
//100 
return $numTable[$bitenum[0]].$commaTable[0]; 
} elseif($bitenum[1]==0) { 
//102 
return $numTable[$bitenum[0]].$commaTable[0].$numTable[$bitenum[2]]; 
} elseif ($bitenum[2]==0) { 
//120 
return $numTable[$bitenum[0]].$commaTable[0].$numTable[$bitenum[1]*10]; 
} else { 
//123 
return $numTable[$bitenum[0]].$commaTable[0].trim($numTable[$bitenum[1]*10])."-".$numTable[$bitenum[2]]; 
} 
} 
return $num; 
} 
?>