$e = 0;
    $cursor = -1;
    $full_followers = array();
    do {
        //SET UP THE URL
      $follows = $oTwitter->get("followers/ids.json?screen_name=youruser&cursor=".$cursor);
      $foll_array = (array)$follows;

      foreach ($foll_array['ids'] as $key => $val) {

            $full_followers[$e] = $val;
            $e++;
      }
           $cursor = $follows->next_cursor;

      } while ($cursor > 0);
echo "Number of followers:" .$e. "<br /><br />";