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  1. <?php
  2. function index(array $array, $key) {
  3.     $result = array();
  4.     foreach ($array as $element) {
  5.         $value = $element[$key];
  6.         $result[$value] = $element;
  7.     }
  8.  
  9.     return $result;
  10. }
  11.  
  12. $array1 = array(
  13.     array(
  14.         'ID' => 2901,
  15.         'ID_USER' => 2899,
  16.         'CONFIG' => 'LowConfig',
  17.     ),
  18.  
  19.     array(
  20.         'ID' => 11539,
  21.         'ID_USER' => 2899,
  22.         'CONFIG' => 'LowConfig'
  23.     ),
  24. );
  25.  
  26. $array2 = array(
  27.     array(
  28.         'ID' => 2901,
  29.         'ID_USER' => 2899,
  30.         'CONFIG' => 'MediumConfig',
  31.     ),
  32.  
  33.     array(
  34.         'ID' => 11580,
  35.         'ID_USER' => 2899,
  36.         'CONFIG' => 'LowConfig',
  37.     ),
  38. );
  39.  
  40. $result = index($array1, 'ID') + index($array2, 'ID');
  41.  
  42. var_dump($result);
Success #stdin #stdout 0.02s 24400KB
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array(3) {
  [2901]=>
  array(3) {
    ["ID"]=>
    int(2901)
    ["ID_USER"]=>
    int(2899)
    ["CONFIG"]=>
    string(9) "LowConfig"
  }
  [11539]=>
  array(3) {
    ["ID"]=>
    int(11539)
    ["ID_USER"]=>
    int(2899)
    ["CONFIG"]=>
    string(9) "LowConfig"
  }
  [11580]=>
  array(3) {
    ["ID"]=>
    int(11580)
    ["ID_USER"]=>
    int(2899)
    ["CONFIG"]=>
    string(9) "LowConfig"
  }
}
https://ideone.com/BNb7PT
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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