class Num2RmbClass{
  /**
   * 人民币数值转中文大写
   * @author SunsCheung
   * @time 2015.11.11
   * @param string $number 数值 默认为0
   * @param string $int_unit 币种单位，默认"元"，有的需求可能为"圆"
   * @param bool $is_round 是否对小数进行四舍五入
   * @param bool $is_extra_zero 是否对整数部分以0结尾，小数存在的数字附加0,比如1960.30，
   *       有的系统要求输出"壹仟玖佰陆拾元零叁角"，实际上"壹仟玖佰陆拾元叁角"也是对的
   * @param bool $dec_to_int 是否对让小数部分进位到个位，如果进位，个位加1，小数为0，
   * @return string
   */
  public static function num2rmb($number = 0, $int_unit = '元', $is_round = TRUE, $is_extra_zero = FALSE, $dec_to_int = FALSE) {
    // 将数字切分成两段
    $parts = explode('.', $number, 2);
    $int = isset($parts[0]) "0.".$dec), 2) == 1 && $dec_to_int){//小数进位到个位
          $int = empty($int)"0.".$dec), 2) == 1){//小数不进位到个位
          $dec = "99";
        }else{
          $dec = substr(strrchr(strval(round(floatval("0.".$dec), 2)), '.'), 1);
          echo $dec;die('boss');
        }
      }else{
        $dec = substr($parts[1], 0, 2);
      }
    }
    // 当number为0.001时，小数点后的金额为0元
    if (empty($int) && empty($dec)) {
      return '零';
    }

    // 定义
    $chs = array('0','壹','贰','叁','肆','伍','陆','柒','捌','玖');
    $uni = array('','拾','佰','仟');
    $dec_uni = array('角', '分');
    $exp = array('', '万');
    $res = '';

    // 整数部分从右向左找
    for ($i = strlen($int) - 1, $k = 0; $i >= 0; $k++) {
      $str = '';
      // 按照中文读写习惯，每4个字为一段进行转化，i一直在减
      for ($j = 0; $j < 4 && $i >= 0; $j++, $i--) {
        $u = $int{$i} > 0 "|".($k - 2)."<br>";
      $str = rtrim($str, '0');// 去掉末尾的0
      $str = preg_replace("/0+/", "零", $str); // 替换多个连续的0
      if (!isset($exp[$k])) {
        $exp[$k] = $exp[$k - 2] . '亿'; // 构建单位
      }
      $u2 = $str != '' "/0+/", "零", $res); // 替换多个连续的0
    } else {
      $res .= $int_unit . '整';
    }
    return $number < 0 "(负)".$res : $res;
  }

}

//$a = new Num2RmbClass;
echo (Num2RmbClass::num2rmb('1600020039.9989','圆',false,false,false));

function cny($ns) 
{
static $cnums = array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖"), 
$cnyunits = array("圆","角","分"), 
$grees = array("拾","佰","仟","万","拾","佰","仟","亿"); 
list($ns1,$ns2) = explode(".",$ns,2); 
$ns2 = array_filter(array($ns2[1],$ns2[0])); 
$ret = array_merge($ns2,array(implode("", _cny_map_unit(str_split($ns1), $grees)), "")); 
$ret = implode("",array_reverse(_cny_map_unit($ret,$cnyunits))); 
return str_replace(array_keys($cnums), $cnums,$ret); 
}

function _cny_map_unit($list,$units) 
{ 
$ul = count($units); 
$xs = array(); 
foreach (array_reverse($list) as $x) 
{ 
$l = count($xs); 
if($x!="0" || !($l%4)) 
{
$n=($x=='0'"htmlcode">

/**
*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