[PHP] Change array key without changing order : https://stackoverflow.com/a/8884153/7998119

ReplaceArrayKeyWhitoutChangingOrder.php

<?php

namespace Src\App;

class ReplaceArrayKeyWhitoutChangingOrder
{
  /**
   * Function that replace an array key without changing the order of all keys
   *
   * @param array $array
   * @param array $oldToNewKeyList
   * @return array
   */
  public static function replace_key(array $array, array $oldToNewKeyList): array
  {
    foreach ($oldToNewKeyList as $old_key => $new_key) {
      $keys = array_keys($array);
      if (false === $index = array_search($old_key, $keys, true)) {
        throw new \Exception(sprintf('Key "%s" does not exist', $old_key));
      }
      $keys[$index] = $new_key;
      $array = array_combine($keys, array_values($array));
    }
    
    return $array;
  }
}