这是获取到的数据 父级id为parent_id
<code>Array
(
[0] => Array
(
[department_id] => 1
[parent_id] => 0
[department_code] => xsb1
[department_name] => 销售部1
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[1] => Array
(
[department_id] => 2
[parent_id] => 1
[department_code] => xs1q
[department_name] => 销售1区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[2] => Array
(
[department_id] => 3
[parent_id] => 2
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[3] => Array
(
[department_id] => 4
[parent_id] => 2
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[4] => Array
(
[department_id] => 5
[parent_id] => 2
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[5] => Array
(
[department_id] => 6
[parent_id] => 2
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[6] => Array
(
[department_id] => 7
[parent_id] => 1
[department_code] => xs2q
[department_name] => 销售2区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[7] => Array
(
[department_id] => 8
[parent_id] => 7
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[8] => Array
(
[department_id] => 9
[parent_id] => 7
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[9] => Array
(
[department_id] => 10
[parent_id] => 7
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[10] => Array
(
[department_id] => 11
[parent_id] => 7
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[11] => Array
(
[department_id] => 12
[parent_id] => 0
[department_code] => xsb2
[department_name] => 销售部2
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[12] => Array
(
[department_id] => 13
[parent_id] => 12
[department_code] => xs3q
[department_name] => 销售3区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[13] => Array
(
[department_id] => 14
[parent_id] => 13
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[14] => Array
(
[department_id] => 15
[parent_id] => 13
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[15] => Array
(
[department_id] => 16
[parent_id] => 13
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[16] => Array
(
[department_id] => 17
[parent_id] => 13
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[17] => Array
(
[department_id] => 18
[parent_id] => 12
[department_code] => xs4q
[department_name] => 销售4区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[18] => Array
(
[department_id] => 19
[parent_id] => 18
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[19] => Array
(
[department_id] => 20
[parent_id] => 18
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
[20] => Array
(
[department_id] => 21
[parent_id] => 18
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
[21] => Array
(
[department_id] => 22
[parent_id] => 18
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
)</code>
这个还是三级分类有可能搜到的是最后一级 那还要找俩级 怎么去合并啊
回复内容：
这是获取到的数据 父级id为parent_id
<code>Array
(
[0] => Array
(
[department_id] => 1
[parent_id] => 0
[department_code] => xsb1
[department_name] => 销售部1
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[1] => Array
(
[department_id] => 2
[parent_id] => 1
[department_code] => xs1q
[department_name] => 销售1区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[2] => Array
(
[department_id] => 3
[parent_id] => 2
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[3] => Array
(
[department_id] => 4
[parent_id] => 2
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[4] => Array
(
[department_id] => 5
[parent_id] => 2
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[5] => Array
(
[department_id] => 6
[parent_id] => 2
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[6] => Array
(
[department_id] => 7
[parent_id] => 1
[department_code] => xs2q
[department_name] => 销售2区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[7] => Array
(
[department_id] => 8
[parent_id] => 7
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[8] => Array
(
[department_id] => 9
[parent_id] => 7
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[9] => Array
(
[department_id] => 10
[parent_id] => 7
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[10] => Array
(
[department_id] => 11
[parent_id] => 7
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[11] => Array
(
[department_id] => 12
[parent_id] => 0
[department_code] => xsb2
[department_name] => 销售部2
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[12] => Array
(
[department_id] => 13
[parent_id] => 12
[department_code] => xs3q
[department_name] => 销售3区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[13] => Array
(
[department_id] => 14
[parent_id] => 13
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[14] => Array
(
[department_id] => 15
[parent_id] => 13
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[15] => Array
(
[department_id] => 16
[parent_id] => 13
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[16] => Array
(
[department_id] => 17
[parent_id] => 13
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[17] => Array
(
[department_id] => 18
[parent_id] => 12
[department_code] => xs4q
[department_name] => 销售4区
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[18] => Array
(
[department_id] => 19
[parent_id] => 18
[department_code] => xs1ks
[department_name] => 销售1科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039207
[add_user_id] => 1
[edit_time] => 1470039207
[edit_user_id] => 1
)
[19] => Array
(
[department_id] => 20
[parent_id] => 18
[department_code] => xs2ks
[department_name] => 销售2科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
[20] => Array
(
[department_id] => 21
[parent_id] => 18
[department_code] => xs3ks
[department_name] => 销售3科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
[21] => Array
(
[department_id] => 22
[parent_id] => 18
[department_code] => xs4ks
[department_name] => 销售4科室
[department_phone] =>
[department_cornet] =>
[department_description] =>
[department_sort] => 0
[is_delete] => 1
[department_status] => 1
[add_time] => 1470039208
[add_user_id] => 1
[edit_time] => 1470039208
[edit_user_id] => 1
)
)</code>
这个还是三级分类有可能搜到的是最后一级 那还要找俩级 怎么去合并啊
只想到用foreach 将相同父id的数据放到同一个以parent_id为key的数组内，如果要父级信息的话还可以进行次逻辑判断
<code>$result =[]
foreach($list as $key => $val){
if($val['parent_id'] != 0) {
$result[$val['parent_id']][] = $val;
}
}
</code>
1、增加一个path字段，表示从根节点到叶子节点的路径比如 1.3.7
要求是搜索 然后找出搜索结果的所有父级和子集 树状图显示 关键字标红
我的做法是
1.创建新数组 用来保存所有需要展示的数据的id 初始数据为查询到的id
2.先根据查询id找到所有父级 放在新数组
3.根据id查询所有子集id 这里可能是多个 我是循环 用array_unshift 放进新数组
4.给新数组的id去重（我这里最终组合的是一个一维数组）
5.循环数组id查询所有数据
6.进行分类组合
感谢回答的朋友 有更好的办法请分享出来 哈哈
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PHP如何识别用户的会话？May 01, 2025 am 12:23 AMphpientifiesauser'ssessionusessessionSessionCookiesAndSessionIds.1）whiwSession_start（）被称为，phpgeneratesainiquesesesessionIdStoredInacookInAcookInamedInAcienamedphpsessidontheuser'sbrowser'sbrowser.2）thisIdAllowSphptptpptpptpptpptortoreTessessionDataAfromtheserverMtheserver。
确保PHP会议的一些最佳实践是什么？May 01, 2025 am 12:22 AMPHP会话的安全可以通过以下措施实现：1.使用session_regenerate_id()在用户登录或重要操作时重新生成会话ID。2.通过HTTPS协议加密传输会话ID。3.使用session_save_path()指定安全目录存储会话数据，并正确设置权限。
PHP会话文件默认存储在哪里？May 01, 2025 am 12:15 AMphpsessionFilesArestoredIntheDirectorySpecifiedBysession.save_path，通常是/tmponunix-likesystemsorc：\ windows \ windows \ temponwindows.tocustomizethis：tocustomizEthis：1）useession_save_save_save_path_path（）
您如何从PHP会话中检索数据？May 01, 2025 am 12:11 AMToretrievedatafromaPHPsession,startthesessionwithsession_start()andaccessvariablesinthe$_SESSIONarray.Forexample:1)Startthesession:session_start().2)Retrievedata:$username=$_SESSION['username'];echo"Welcome,".$username;.Sessionsareserver-si
您如何使用会议来实施购物车？May 01, 2025 am 12:10 AM利用会话构建高效购物车系统的步骤包括：1）理解会话的定义与作用，会话是服务器端的存储机制，用于跨请求维护用户状态；2）实现基本的会话管理，如添加商品到购物车；3）扩展到高级用法，支持商品数量管理和删除；4）优化性能和安全性，通过持久化会话数据和使用安全的会话标识符。
crypt（）和password_hash（）有什么区别？Apr 30, 2025 pm 03:39 PM本文讨论了PHP中的crypt（）和password_hash（）之间的差异，以进行密码哈希，重点介绍其实施，安全性和对现代Web应用程序的适用性。
如何防止PHP中的跨站点脚本（XSS）？Apr 30, 2025 pm 03:38 PM文章讨论了通过输入验证，输出编码以及使用OWASP ESAPI和HTML净化器之类的工具来防止PHP中的跨站点脚本（XSS）。
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