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A function written in PHP to recursively implement unlimited classification and generate drop-down lists

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Release： 2016-07-25 09:03:23
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  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. }
  25. ?>
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php写的一个递归实现无限分类生成下拉列表的函数
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