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  1. <?php
  2.  
  3.  
  4. function array_to_pipe($array, $delimeter = '|', $parents = array(), $recursive = false)
  5. {
  6.     $result = '';
  7.  
  8.     foreach ($array as $key => $value) {
  9.         $group = $parents;
  10.         array_push($group, $key);
  11.  
  12.         // check if value is an array
  13.         if (is_array($value)) {
  14.             if ($merge = array_to_pipe($value, $delimeter, $group, true)) {
  15.                 $result = $result . $merge;
  16.             }
  17.             continue;
  18.         }
  19.  
  20.         // check if parent is defined
  21.         if (!empty($parents)) {
  22.             $result = $result . PHP_EOL . implode($delimeter, $group) . $delimeter . $value;
  23.             continue;
  24.         }
  25.  
  26.         $result = $result . PHP_EOL . $key . $delimeter . $value;
  27.     }
  28.  
  29.     // somehow the function outputs a new line at the beginning, we fix that
  30.     // by removing the first new line character
  31.     if (!$recursive) {
  32.         $result = substr($result, 1);
  33.     }
  34.  
  35.     return $result;
  36. }
  37.  
  38. $list['item_lists'] = array(
  39. 	'single',
  40.     'item1' => 'Item 1',
  41.     'item2' => 'Item 2',
  42.     'item3' => 'Item 3',
  43.     'item4' => 'Item 4',
  44.     'group' => array(
  45.         'subgroup' => 'value',
  46.         'nested' => array(
  47.             'one' => 'two',
  48.             'subnested' => array(
  49.                 'supernested' => 'supernested_value'
  50.             )
  51.         )
  52.     ),
  53. );
  54.  
  55. echo array_to_pipe($list['item_lists']);
  56.  
Success #stdin #stdout 0.03s 52480KB
comments (?)
stdin
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Standard input is empty
stdout
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0|single
item1|Item 1
item2|Item 2
item3|Item 3
item4|Item 4
group|subgroup|value
group|nested|one|two
group|nested|subnested|supernested|supernested_value
https://ideone.com/j6nThF
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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