PHP将数字金额转换成中文大写金额的函数

/**

*数字金额转换成中文大写金额的函数

*String Int $num 要转换的小写数字或小写字符串

*return 大写字母

*小数位为两位

**/

function num_to_rmb($num){

    $c1 = "零壹贰叁肆伍陆柒捌玖";

    $c2 = "分角元拾佰仟万拾佰仟亿";

    //精确到分后面就不要了，所以只留两个小数位

    $num = round($num, 2); 

    //将数字转化为整数

    $num = $num * 100;

    if (strlen($num) > 10) {

        return "金额太大，请检查";

    } 

    $i = 0;

    $c = "";

    while (1) {

        if ($i == 0) {

            //获取最后一位数字

            $n = substr($num, strlen($num)-1, 1);

        } else {

            $n = $num % 10;

        }

        //每次将最后一位数字转化为中文

        $p1 = substr($c1, 3 * $n, 3);

        $p2 = substr($c2, 3 * $i, 3);

        if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {

            $c = $p1 . $p2 . $c;

        } else {

            $c = $p1 . $c;

        }

        $i = $i + 1;

        //去掉数字最后一位了

        $num = $num / 10;

        $num = (int)$num;

        //结束循环

        if ($num == 0) {

            break;

        } 

    }

    $j = 0;

    $slen = strlen($c);

    while ($j < $slen) {

        //utf8一个汉字相当3个字符

        $m = substr($c, $j, 6);

        //处理数字中很多0的情况,每次循环去掉一个汉字“零”

        if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {

            $left = substr($c, 0, $j);

            $right = substr($c, $j + 3);

            $c = $left . $right;

            $j = $j-3;

            $slen = $slen-3;

        } 

        $j = $j + 3;

    } 

    //这个是为了去掉类似23.0中最后一个“零”字

    if (substr($c, strlen($c)-3, 3) == '零') {

        $c = substr($c, 0, strlen($c)-3);

    }

    //将处理的汉字加上“整”

    if (empty($c)) {

        return "零元整";

    }else{

        return $c . "整";

    }

}

echo num_to_rmb(23000000.00); //贰仟叁佰万元整

// 阿拉伯数字转中文大写金额

function NumToCNMoney($num,$mode = true,$sim = true){

  if(!is_numeric($num)) return '含有非数字非小数点字符！';

  $char  = $sim ? array('零','一','二','三','四','五','六','七','八','九')

  : array('零','壹','贰','叁','肆','伍','陆','柒','捌','玖');

  $unit  = $sim ? array('','十','百','千','','万','亿','兆')

  : array('','拾','佰','仟','','萬','億','兆');

  $retval = $mode ? '元':'点';

  //小数部分

  if(strpos($num, '.')){

    list($num,$dec) = explode('.', $num);

    $dec = strval(round($dec,2));

    if($mode){

      $retval .= "{$char[$dec['0']]}角{$char[$dec['1']]}分";

    }else{

      for($i = 0,$c = strlen($dec);$i < $c;$i++) {

        $retval .= $char[$dec[$i]];

      }

    }

  }

  //整数部分

  $str = $mode ? strrev(intval($num)) : strrev($num);

  for($i = 0,$c = strlen($str);$i < $c;$i++) {

    $out[$i] = $char[$str[$i]];

    if($mode){

      $out[$i] .= $str[$i] != '0'? $unit[$i%4] : '';

        if($i>1 and $str[$i]+$str[$i-1] == 0){

        $out[$i] = '';

      }

        if($i%4 == 0){

        $out[$i] .= $unit[4+floor($i/4)];

      }

    }

  }

  $retval = join('',array_reverse($out)) . $retval;

  return $retval;

}

  

  

echo (NumToCNMoney(2.55)."<br>");

echo (NumToCNMoney(2.55,1,0)."<br>");

echo (NumToCNMoney(7965)."<br>");

echo (NumToCNMoney(7965,1,0)."<br>");

echo (NumToCNMoney(155555555.68)."<br>");

echo (NumToCNMoney(155555555.68,1,0)."<br>");

echo (NumToCNMoney(0.8888888)."<br>");

echo (NumToCNMoney(0.8888888,1,0)."<br>");

echo (NumToCNMoney(99999999999)."<br>");

echo (NumToCNMoney(99999999999,1,0)."<br>");