Saya memiliki array multidimensi, beberapa nilai duplikat dan beberapa unik.
nilai duplikat adalah induk dan nilai unik adalah anak dari nilai duplikat.
Array multidimensi :
Array
(
[0] => Array
(
[L1_ID] => 21
[L1_ATTR_DESC] => Project Overview
[L2_ATTR_DESC] => Project Status
[L3_ATTR_DESC] => Ready
)
[1] => Array
(
[L1_ID] => 21
[L1_ATTR_DESC] => Project Overview
[L2_ATTR_DESC] => Project Status
[L3_ATTR_DESC] => Pending
)
[2] => Array
(
[L1_ID] => 21
[L1_ATTR_DESC] => Project Overview
[L2_ATTR_DESC] => Project Status
[L3_ATTR_DESC] => Completed
)
[3] => Array
(
[L1_ID] => 21
[L1_ATTR_DESC] => Project Overview
[L2_ATTR_DESC] => Project Quality
[L3_ATTR_DESC] => Independ
)
[4] => Array
(
[L1_ID] => 21
[L1_ATTR_DESC] => Project Overview
[L2_ATTR_DESC] => Project Quality
[L3_ATTR_DESC] => G+1
)
)
Saya ingin menampilkan nilai duplikat yang dicetak satu kali dan nilai unik harus menjadi turunan dari nilai duplikat.
Output yang Diharapkan - Seperti ini:
-Project Status -Project Build
--Ready --Independ
--Pending --G+1
--Completed