php阿拉伯数字转中文人民币大写

/***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>");