PHP function to convert numeric amounts into Chinese capital amounts

This article mainly introduces the function of converting digital amounts into Chinese capital amounts in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

Code 1: php Arabic numerals to Chinese RMB capital, with detailed notes

/**
*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 == &#39;零元&#39; || $m == &#39;零万&#39; || $m == &#39;零亿&#39; || $m == &#39;零零&#39;) {
            $left = substr($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) == &#39;零&#39;) {
        $c = substr($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

Code 2: php Arabic numerals to Chinese capital amount

// 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] != &#39;0&#39;? $unit[$i%4] : &#39;&#39;;
        if($i>1 and $str[$i]+$str[$i-1] == 0){
        $out[$i] = &#39;&#39;;
      }
        if($i%4 == 0){
        $out[$i] .= $unit[4+floor($i/4)];
      }
    }
  }
  $retval = join(&#39;&#39;,array_reverse($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>");

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