PHP to achieve the Chinese number of words, the implementation of the way is very smart PHP

Source: Internet
Author: User
PHP to achieve the Chinese-to-digital, the way is very smart PHP

Share an auxiliary function, using PHP to identify as many numbers as possible in the string, and achieve the following effect.

1

2

3

4

5

6

7

8

9

echo checkNatInt('九百六十万'); //普通中文数字,9600000

echo checkNatInt('壹亿柒仟万零捌佰肆拾'); //大写中文数字,170000840

echo checkNatInt('学好PHP拿百万年薪'); //句子中的数字, 1000000

echo checkNatInt('今年春运发送人次达26亿'); //数字和汉字混合出现,2600000000

echo checkNatInt('两只小蜜蜂'); //口语化数字,2

echo checkNatInt('万万没想到'); //复古的表达方式,100000000

Precautions

    1. Decimals not supported

    2. Numbers greater than Php_int_max are not supported

Partial implementation Code

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21st

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

function checkNatInt($str) {

$map = array(

'一' => '1','二' => '2','三' => '3','四' => '4','五' => '5','六' => '6','七' => '7','八' => '8','九' => '9',

'壹' => '1','贰' => '2','叁' => '3','肆' => '4','伍' => '5','陆' => '6','柒' => '7','捌' => '8','玖' => '9',

'零' => '0','两' => '2',

'仟' => '千','佰' => '百','拾' => '十',

'万万' => '亿',

);

$str = str_replace(array_keys($map), array_values($map), $str);

$str = checkString($str, '/([\d亿万千百十]+)/u');

$func_c2i = function ($str, $plus = false) use(&$func_c2i) {

if(false === $plus) {

$plus = array('亿' => 100000000,'万' => 10000,'千' => 1000,'百' => 100,'十' => 10,);

}

$i = 0;

if($plus)

foreach($plus as $k => $v) {

$i++;

if(strpos($str, $k) !== false) {

$ex = explode($k, $str, 2);

$new_plus = array_slice($plus, $i, null, true);

$l = $func_c2i($ex[0], $new_plus);

$r = $func_c2i($ex[1], $new_plus);

if($l == 0) $l = 1;

return $l * $v + $r;

}

}

return (int)$str;

}

return $func_c2i($str);

}

//来自uct php开发框架,其中的checkString函数如下

function checkString($var, $check = '', $default = '') {

if (!is_string($var)) {

if(is_numeric($var)) {

$var = (string)$var;

}

else {

return $default;

}

}

if ($check) {

return (preg_match($check, $var, $ret) ? $ret[1] : $default);

}

return $var;

}

  • Contact Us

    The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

    If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

    A Free Trial That Lets You Build Big!

    Start building with 50+ products and up to 12 months usage for Elastic Compute Service

    • Sales Support

      1 on 1 presale consultation

    • After-Sales Support

      24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.