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  1. <?php
  2.  
  3.     function create($list, &$result) {
  4.         if (is_array($list) && !isset($list['category_id'])) {
  5.             foreach ($list as $element) {
  6.                 create($element, $result);
  7.             }
  8.         } else {
  9.             $result[$list['category_id']] = $list['name'];
  10.             create($list['children'], $result);
  11.         }
  12.     }
  13.  
  14.     $list = array(
  15.         array(
  16.             'category_id' => 2,
  17.             'name' => 'Koffersenkisten',
  18.             'is_active' => 0,
  19.             'children' => array(
  20.                 array(
  21.                     'category_id' => 40,
  22.                     'name' => 'Muziek',
  23.                     'is_active' => 0,
  24.                     'children' => array(
  25.                         array(
  26.                             'category_id' => 46,
  27.                             'name' => 'Gitaar koffer',
  28.                             'is_active' => 0,
  29.                             'children' => array()
  30.                         ),
  31.                         array(
  32.                             'category_id' => 51,
  33.                             'name' => 'Electrische gitaar',
  34.                             'is_active' => 1,
  35.                             'children' => array()
  36.                         )
  37.                     )
  38.                 )
  39.             )
  40.         )
  41.     );
  42.     create($list, $result);
  43.     var_dump($result);
  44.  
  45. ?>
Success #stdin #stdout 0.03s 13112KB
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array(4) {
  [2]=>
  string(15) "Koffersenkisten"
  [40]=>
  string(6) "Muziek"
  [46]=>
  string(13) "Gitaar koffer"
  [51]=>
  string(18) "Electrische gitaar"
}
https://ideone.com/KdKox
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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