/**
*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>\");