/**
* Because PHP does not have this function, and array_walk_recursive creates
* references in arrays and is not truly recursive.
*
* @param mixed callback to apply to each member of the array
* @param array array to map to
* @return array
*/
public static function map_recursive($callback, array $array)
{
foreach ($array as $key => $val) {
// Map the callback to the key
$array[$key] = is_array($val) ? CArray::map_recursive($callback, $val) : call_user_func($callback, $val);
}
return $array;
}
