PHP array magic trick and manipulations

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  1. manipulating multidimensional array using array_map
    2. /**
* Ilterate multidimensional array simplicity
* @desc modify and manipulate or populate multidimensional array with simple tricks
* @param array $arr
* @param function $callback
* @return Array
**/
function Map($arr, $callback)
{
  if (!is_callable($callback)) {
    throw new Exception("Callback must be function", 1);
  }

  return array_map(function ($key, $val) use ($callback) {
    return call_user_func($callback, $key, $val);
  }, array_keys($arr), $arr);
}

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