PHP连接2个具有相同键值的数组

Question

I'm wondering how to solved this. I have 3(three) arrays that contained nested values in the "data" key like this:

array:3 [
  0 => array:3 [
    "status" => "Terkirim"
    "warna" => "lightgreen"
    "data" => array:12 [
      0 => 0
      1 => 0
      2 => 0
      3 => 0
      4 => 0
      5 => 0
      6 => 3
      7 => 0
      8 => 0
      9 => 0
      10 => 0
      11 => 0
    ]
  ]
  1 => array:3 [
    "status" => "Selesai"
    "warna" => "lightblue"
    "data" => array:12 [
      0 => 0
      1 => 0
      2 => 0
      3 => 0
      4 => 0
      5 => 0
      6 => 3
      7 => 0
      8 => 0
      9 => 0
      10 => 0
      11 => 0
    ]
  ]
  2 => array:3 [
    "status" => "Selesai"
    "warna" => "lightblue"
    "data" => array:12 [
      0 => 0
      1 => 0
      2 => 0
      3 => 0
      4 => 0
      5 => 0
      6 => 0
      7 => 1
      8 => 0
      9 => 0
      10 => 0
      11 => 0
    ]
  ]
]

My problem is how to join the "data" just if the "status" is the same?, or sum the the value if it already exists on the same index key, this is what I want to achieve:

array:3 [
  0 => array:3 [
    "status" => "Terkirim"
    "warna" => "lightgreen"
    "data" => array:12 [
      0 => 0
      1 => 0
      2 => 0
      3 => 0
      4 => 0
      5 => 0
      6 => 3
      7 => 0
      8 => 0
      9 => 0
      10 => 0
      11 => 0
    ]
  ]
  1 => array:3 [
    "status" => "Selesai"
    "warna" => "lightblue"
    "data" => array:12 [
      0 => 0
      1 => 0
      2 => 0
      3 => 0
      4 => 0
      5 => 0
      6 => 3
      7 => 1 <== the joined value 
      8 => 0
      9 => 0
      10 => 0
      11 => 0
    ]
  ]  
]

Any helps would be appreciated... :)

Answer 1

You can do it this way:

    $joinedArray = [];
    for ($initialArray as $array) {
        if (array_key_exists($array['status'], $joinedArray) {
            for ($joinedArray['data'] as $key, $dataElement) {
                 $joinedArray['data'][$key] = $dataElement + $array['data'][$key];
            }
        } else {
             $joinedArray[$array['status']] = $array;
        }
    }