数字金额转化为中文大写

1. /**
2. *数字金额转换成中文大写金额的函数
3. *String Int $num 要转换的小写数字或小写字符串
4. *return 大写字母
5. *小数位为两位
6. **/
7. function num_to_rmb($num){
8. $c1 = "零壹贰叁肆伍陆柒捌玖";
9. $c2 = "分角元拾佰仟万拾佰仟亿";
10. //精确到分后面就不要了，所以只留两个小数位
11. $num = round($num, 2);
12. //将数字转化为整数
13. $num = $num * 100;
14. if (strlen($num) > 10) {
15. return "金额太大，请检查";
16. }
17. $i = 0;
18. $c = "";
19. while (1) {
20. if ($i == 0) {
21. //获取最后一位数字
22. $n = substr($num, strlen($num)-1, 1);
23. } else {
24. $n = $num % 10;
25. }
26. //每次将最后一位数字转化为中文
27. $p1 = substr($c1, 3 * $n, 3);
28. $p2 = substr($c2, 3 * $i, 3);
29. if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {
30. $c = $p1 . $p2 . $c;
31. } else {
32. $c = $p1 . $c;
33. }
34. $i = $i + 1;
35. //去掉数字最后一位了
36. $num = $num / 10;
37. $num = (int)$num;
38. //结束循环
39. if ($num == 0) {
40. break;
41. }
42. }
43. $j = 0;
44. $slen = strlen($c);
45. while ($j < $slen) {
46. //utf8一个汉字相当3个字符
47. $m = substr($c, $j, 6);
48. //处理数字中很多0的情况,每次循环去掉一个汉字“零”
49. if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {
50. $left = substr($c, 0, $j);
51. $right = substr($c, $j + 3);
52. $c = $left . $right;
53. $j = $j-3;
54. $slen = $slen-3;
55. }
56. $j = $j + 3;
57. }
58. //这个是为了去掉类似23.0中最后一个“零”字
59. if (substr($c, strlen($c)-3, 3) == '零') {
60. $c = substr($c, 0, strlen($c)-3);
61. }
62. //将处理的汉字加上“整”
63. if (empty($c)) {
64. return "零元整";
65. }else{
66. return $c . "整";
67. }
68. }
69. echo num_to_rmb(23000000.00); //贰仟叁佰万元整