Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > PHP recursively implements unlimited classification to generate drop-down list function code

PHP recursively implements unlimited classification to generate drop-down list function code

WBOY
Release： 2016-07-25 08:54:10
Original
962 people have browsed it
  2. /*—————————————————— */
  3. //– 递归实现无限分类生成下拉列表函数
  4. //– $tpl->assign('sort_list',createSortOptions ());
  5. //– $tpl->assign('sort_list',createSortOptions ($sort_id));
  6. /*—————————————————— */
  7. function createSortOptions ($selected=0,$parent_id=0,$n=-1)
  8. {
  9. global $db;
  10. $sql = "SELECT * FROM `@__article_sort` WHERE `parent_id` = '{$parent_id}'";
  11. $options = ";
  12. static $i = 0;
  13. if ($i == 0)
  14. {
  15. $options .= '
  16. {
  17. $options .=' selected ';
  18. }
  19. $options .=">".str_repeat(' ',$n*3).$row['sort_name']."n";
  20. $options .=createSortOptions ($selected,$row['sort_id'],$n);
  21. }
  22. }
  23. return $options;
  24. }
复制代码

>>> 您可能感兴趣的文章： php mysql实现无限分类的实例代码 php无限分类的例子(仿淘宝商品分类) 提高php无限分类查询的效率(使用数组和递归) php实现的无限分类(递归版本)的例子 使用php数组实现的无限分类(不使用数据库与用递归) php写的一个递归实现无限分类生成下拉列表的函数



Related labels：
php递归实现无限分类生成下拉列表函数代码
source：php.cn
Previous article：PHP extract() function (array split) definition and usage Next article：PHP date query function practical code
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
3
2259
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
11
2394
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
2007
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
1893
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1959
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