简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > Backend Development > PHP Tutorial > body text

PHP function to verify whether the ID card is legal

WBOY
Release： 2016-07-25 08:42:28
Original
1117 people have browsed it
Is it legal, PHP
  1. /**
  2. * ID card
  3. *
  4. * @param string $id
  5. * @return boolean
  6. */
  7. function is_idcard( $id )
  8. {
  9. $id = strtoupper($id);
  10. $regx = "/(^d{15}$)|(^d{ 17}([0-9]|X)$)/";
  11. $arr_split = array();
  12. if(!preg_match($regx, $id))
  13. {
  14. return FALSE;
  15. }
  16. if(15= =strlen($id)) //Check 15 digits
  17. {
  18. $regx = "/^(d{6})+(d{2})+(d{2})+(d{2})+( d{3})$/";
  20. @preg_match($regx, $id, $arr_split);
  21. //Check whether the birthday date is correct
  22. $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
  23. if(!strtotime($dtm_birth))
  24. {
  25. return FALSE;
  26. } else {
  27. return TRUE;
  28. }
  29. }
  30. else //Check 18 Bit
  31. {
  32. $regx = "/^(d{6})+(d{4})+(d{2})+(d{2})+(d{3})([0-9] | ;
  33. if(!strtotime($dtm_birth)) //Check whether the birthday date is correct
  34. {
  35. return FALSE;
  36. }
  37. else
  38. {
  39. //Check whether the check code of the 18-digit ID card is correct.
  40. //The check digit is generated in accordance with ISO 7064:1983.MOD 11-2. X can be considered as the number 10.
  41. $arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
  42. $arr_ch = array('1' , '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
  43. $sign = 0;
  44. for ( $i = 0; $i < 17; $i++ )
  45. {
  46. $b = (int) $id{$i};
  47. $w = $arr_int[$i];
  48. $sign += $b * $w;
  49. }
  50. $n = $sign % 11;
  51. $val_num = $arr_ch[$n];
  52. if ($val_num != substr($id,17, 1))
  53. {
  54. return FALSE;
  55. }
  56. else
  57. {
  58. return TRUE;
  59. }
  60. }
  61. }
  63. }
Copy code
Related labels：
验证身份证是否合法的PHP函数
source：php.cn
Previous article：php encryption and decryption processing class Next article：A very simple socket client PHP class
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1800
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
10
1937
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1652
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1554
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1587
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！