三级分类 like查询 查询到很多id 需要找到对应的父级id 并根据父级id组合 应该怎么根据父级id将数据组合在一起呢？

这是获取到的数据 父级id为parent_id

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

)

)

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

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