The contents of $newArray[pathToFile] is a unix dir path, like /usr/local/bin for example.

while ( $newArray = mysql_fetch_array ( $result ) )
{

  $a = array();
  $b =& $a;
  foreach (explode('/', trim($newArray[pathToFile], '/')) as $seg)
  {
    $b[$seg] = array();
    $b =& $b[$seg];
  }


}
?>