Tutorial 5 : Array List implementation in PHP (Passing a Mysql data to Setter methods)

Dear Techies,
                      This class is used to setting a mysql data to setter methods. this class having 2 setter method. and here i wrote short and efficient  code for setting the values to Array List.
and any one can easily understand the process of each lines.

Here is my code.

ConnectDB();
        //sql query
        $query = "select * from users";
        //query execution
        $result_set = mysql_query($query);
        //record count
        $record_count = mysql_num_rows($result_set);
        if ($record_count > 0) {
            //array list object
            $user_bean_list = new ArrayList();
             //looping record set
            while ($record_set = mysql_fetch_object($result_set)) {
                //user_Details_DTO object
                $user_bean = new user_Details_DTO();
                //setting a mysql database values
                $user_bean->set_user_id($record_set->user_id);
                $user_bean->set_user_name($record_set->name);
                //passing DTO object to arraylist 'add' method
                $user_bean_list->add($user_bean);
            }
            //returing objects
            return $user_bean_list;
        } else {
            //return false, if no record found.
            return 0;
        }
    }

}?>