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  1. <?php
  2. if(!function_exists('array_swap_assoc')) {
  3.     function array_swap_assoc($key1, $key2, $array) {
  4.         $newArray = array ();
  5.         foreach ($array as $key => $value) {
  6.             if ($key == $key1) {
  7.                 $newArray[$key2] = $array[$key2];
  8.             } elseif ($key == $key2) {
  9.                 $newArray[$key1] = $array[$key1];
  10.             } else {
  11.                 $newArray[$key] = $value;
  12.             }
  13.         }
  14.         return $newArray;
  15.     }
  16. }
  17.  
  18. $array = $arrOrig = array(
  19.     'fruit' => 'pear',
  20.     'veg' => 'cucumber',
  21.     'tuber' => 'potato',
  22.     'meat' => 'ham'
  23. );
  24.  
  25. $newArray = array_swap_assoc('veg', 'tuber', $array);
  26.  
  27. var_dump($array, $newArray);
  28. ?>
Success #stdin #stdout 0.03s 52480KB
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stdout
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array(4) {
  ["fruit"]=>
  string(4) "pear"
  ["veg"]=>
  string(8) "cucumber"
  ["tuber"]=>
  string(6) "potato"
  ["meat"]=>
  string(3) "ham"
}
array(4) {
  ["fruit"]=>
  string(4) "pear"
  ["tuber"]=>
  string(6) "potato"
  ["veg"]=>
  string(8) "cucumber"
  ["meat"]=>
  string(3) "ham"
}
https://ideone.com/mXuERe
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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