Всем привет. У меня вылазит вот такой "паразитический" нотис:

Notice: Undefined variable: poll_name in .....

Сам код таков:

class Poll
 {
    public static function index()
    {
            Header::session_starting();
            $ip = $_SERVER['REMOTE_ADDR'];
            $select_count = Database::query("SELECT `id` FROM `poll`");
            $count = $select_count->num_rows;
        
            $rand = rand(1, $count);
            $select_right = Database::query("SELECT `poll_id` FROM `poll_ip` WHERE `user_ip`='".$ip."'");
            
            if($select_right->num_rows > 0)
            {
                $not_poll = array();
                while($p = $select_right->fetch_assoc())
                {
                    $not_poll[] = $p['poll_id'];
                }
                $not_poll = implode(",", $not_poll);
            }
            
            
            
            
            if(!isset($not_poll))
            {
                $select_poll = Database::query("SELECT `po`.`position`,`p`.`name` as `vote_name`, `p`.`id`, `po`.`votes`, `po`.`name` as `poll_option` FROM `poll` as `p` LEFT JOIN `poll_option` as `po` ON `po`.`id_poll` = `p`.`id` WHERE `p`.`id` = '".$rand."' ORDER BY `position`");
                $result = "";
                
                while($poll = $select_poll->fetch_assoc())
                {
                    if(!isset($poll_name) or !isset($_SESSION['id_poll']))
                    {
                        $poll_name = $poll['vote_name'];
                        $_SESSION['id_poll'] = $poll['id'];
                    }
                    
                    $result .=  "<input type='radio' class='poll_option' name='poll_option' value='".$poll['position']."' />".$poll['poll_option']."<br />";
                }
                
                $result = "<form action='' method='post' id='poll_form'><p><b>".$poll_name."</b></p>" . $result;
                $result .= "<input type='submit' id='poll_submit' value='Голосовать' /></form>";
                
            }
            else
            {
                $select_poll = Database::query("SELECT `po`.`position`,`p`.`name` as `vote_name`, `p`.`id`, `po`.`votes`, `po`.`name` as `poll_option` FROM `poll` as `p` LEFT JOIN `poll_option` as `po` ON `po`.`id_poll` = `p`.`id` WHERE `p`.`id` NOT IN ('".$not_poll."') ORDER BY `position`");
                $result = "";
                
                if($select_poll->num_rows > 0)
                {
                  while($poll = $select_poll->fetch_assoc())
                  {
                       if(!isset($poll_name) or !isset($_SESSION['id_poll']))
                       {
                          $poll_name = $poll['vote_name'];
                          $_SESSION['id_poll'] = $poll['id'];
                       }
                    
                       $result .=  "<input type='radio' id='poll_option' name='poll_option' value='".$poll['position']."' />".$poll['option_name']."<br />";
                  }
                
                $result = "<form action='' method='post' id='poll_form'><p><b>".$poll_name."</b></p>" . $result;
                $result .= "<input type='submit' id='poll_submit' value='Голосовать' /></form>";
               }
               else
               {
                 $select_poll = Database::query("SELECT `po`.`position`,`p`.`name` as `vote_name`, `p`.`id`, `po`.`votes`, `po`.`name` as `poll_option` FROM `poll` as `p` LEFT JOIN `poll_option` as `po` ON `po`.`id_poll` = `p`.`id` WHERE `p`.`id` = '".$rand."' ORDER BY `position`");
                 $percent = 0;
                 $div_line = "";
                 
                 while($poll = $select_poll->fetch_assoc())
                 {
                    $percent = $percent + $poll['votes'];
                 }
                 
                                 
                 while($poll2 = $select_poll->fetch_assoc())
                 {
                       $img = 1;
                       if(!isset($poll_name))
                       {
                          $poll_name = $poll2['vote_name'];
                       }
                       
                       $pr = $poll2['votes'] / ($percent / 100);
                       $div_line .= $poll2['option_name'] . " (" . ceil($pr) . ")<br /><div style='width: 100%;'><div style='width: ".$pr."%; background: url(template/images/poll".$img.".gif);'></div></div>";
                       $img++;
                 }
                 
                 $result = "<p><b>".$poll_name."</b></p>" . $result;
                 
               }
        
    }
   
     
       return $result . "<br /><div id='poll_result'></div>";
 }
}

94 строка, это переменная $result перед return`om