An amount conversion function used in CRM in the early years. Today, take it out of the old project and record it. There are many functional methods for amount conversion, which are very good. But this is a conversion function that Cui wrote when he was working. It's more or less memorable. If you have any questions, please point out that Cui will correct them in time. Thank you!

Don't talk too much, just go to the code:

 1 <?php
 2 
 3 /**
 4 * Conversion of digital amount to capital number
 5 * $num Numeric type
 6 */
 7 
 8 function inttodaxie($num) {
 9     //judge $num Whether the number
10     if(!is_numeric($num)) return -1;
11     $dint = array('Zero', 'One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine');
12     $len = strlen($num);
13     $dstr = '';
14     for($i = 0; $i <= $len; $i++) {
15         $key_ = substr($num, $i, 1);
16         $dstr .= $dint[$key_];
17     }
18     return $dstr;
19 }
20 
21 $result = inttodaxie(90011234);
22 var_dump($result);
23 echo '<br>';

The above is the basic conversion code, on which the secondary transformation is carried out:

 1 <?php
 2 
 3 /**
 4 * Amount in words
 5 * $num Numeric type
 6 */
 7 
 8 function inttod($num) {
 9     //judge $num Does it exist?
10     if(!$num) return 'Zero circle';
11     //Keep two decimal places
12     $num = round($num, 2);
13     //Convert floating point to integer
14     $tem_num = $num * 100;
15     //Judge number length
16     $tem_num_len = strlen($tem_num);
17     if($tem_num_len > 14) {
18         return 'It's too big. Is there such a large amount of money';
19     }
20 
21     //Capitalized number
22     $dint = array('Zero', 'One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine');
23     //Amount unit in words
24     $danwei = array('Thousand', 'Bai', 'Ten', 'Billion', 'Thousand', 'Bai', 'Ten', 'ten thousand', 'Thousand', 'Bai', 'Ten', 'circular');
25     $danwei1 = array('horn', 'branch');
26 
27     //Empty variable to hold the conversion string
28     $daxie = '';
29 
30     //Divide numbers, divide fillets
31     list($left_num, $right_num) = explode('.', $num);
32 
33     //Calculate unit length
34     $danwei_len = count($danwei);
35     //Calculate the length of the split string
36     $left_num_len = strlen($left_num);
37     $right_num_len = strlen($right_num);
38 
39     //Circulation calculation of billions of yuan, etc
40     for($i = 0; $i < $left_num_len; $i++) {
41         //Loop single text
42         $key_ = substr($left_num, $i, 1);
43 
44         //If it is judged that the number is not equal to 0 or the number is equal to 0 and the amount unit is billion, ten thousand or circle, the string of the complete unit will be returned
45         if($key_ !== '0' || ($key_ == '0' && ($danwei[$danwei_len - $left_num_len + $i] == 'Billion' || $danwei[$danwei_len - $left_num_len + $i] == 'ten thousand' || $danwei[$danwei_len - $left_num_len + $i] == 'circular'))) {
46             $daxie = $daxie . $dint[$key_] . $danwei[$danwei_len - $left_num_len + $i];
47         } else {
48             //Otherwise, the unit is not included
49             $daxie = $daxie . $dint[$key_];
50         }
51     }
52 
53     //Cycle calculation angle
54     for($i = 0; $i < $right_num_len; $i++) {
55         $key_ = substr($right_num, $i, 1);
56         if($key_ > 0) {
57             $daxie = $daxie . $dint[$key_] . $danwei1[$i];
58         }
59     }
60 
61     //Calculate converted length
62     $daxie_len = strlen($daxie);
63     //Set the text slice to start at 0, utf-8 Chinese characters take up 3 characters
64     $j = 0;
65     while($daxie_len > 0) {
66         //Slice two Chinese characters at a time
67         $str = substr($daxie, $j, 6);
68         //Judge that the text after slicing is not equal to 0 million, 0 yuan, 0 billion, 0 zero
69         if($str == 'Zero' || $str == 'Zero circle' || $str == 'Zero' || $str == '00') {
70             //Re slice
71             $left = substr($daxie, 0, $j);
72             $right = substr($daxie, $j + 3);
73             $daxie = $left . $right;
74         }
75         $j += 3;
76         $daxie_len -= 3;
77     }
78     
79     return 'RMB' . $daxie . 'whole';
80 }
81 
82 $result = inttod(99090909090.19);
83 var_dump($result);

Operation result:

Source code uploaded to GitHub: https://github.com/cuiyunxin/php-demo/blob/master/capital.php

Please comment if there is any mistake. Thank you.