php 获取栏目的所有子级和孙级栏目的ID号的代码

3. /***

4. @ 获取子栏目ID号
5. @ bbs.it-home.org
6. @ 2013/2/26
7. */
8. private function sonCategoryIds($categoryID)
9. {
10. //@初始化栏目数组
11. $array[] = $categoryID;
13. do
14. {
15. $ids = '';
16. $temp = $this->mysql->select('SELECT `id` FROM `pcb_article_category` WHERE `parentID` IN (' . $categoryID . ')');
17. foreach ($temp as $v)
18. {
19. $array[] = $v['id'];
20. $ids .= ',' . $v['id'];
21. }
22. $ids = substr($ids, 1, strlen($ids));
23. $categoryID = $ids;
24. }
25. while (!empty($temp));

26. $ids = implode(',', $array);

28. return $ids;
29. }
30. ?>

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