$nodes_id = $node->nid;
  $contents = freeway_dashboard_build_filter_query($nodes_id);

  while ($latest_node = db_fetch_object($contents)) {

     $body = $latest_node->body ;
     $fh = fopen("myfileV.txt", "w+");

        if($fh==false)
        die("unable to create file");

    fwrite($fh, $body);

    $file = file_get_contents("myfileV.txt");
    $byteArr = str_split($file);
    $byteArr = array_map('ord', $byteArr);
....