getContext()->getRequest();
        $kw = addslashes(trim($request -> getParameter('keyword')));
        
        $countsql = 'select count(keyword) from lkt_hotkeywords';
        $count = $db -> selectarray($countsql);
        list($count) = $count;
        $count = intval($count['count(keyword)']);
        if($count >= 6){
           header("Content-type:text/html;charset=utf-8");
             echo "";die;
        }
        if($kw !== '') {
            $sql = 'insert into lkt_hotkeywords(keyword) values("' . $kw . '");';
            $res = $db->insert($sql);
            if ($res > 0) {
                header("Content-type:text/html;charset=utf-8");
                echo "";
            } else {
                header("Content-type:text/html;charset=utf-8");
                echo "";
            }
        }
        return;                                                                                                                                                                                                                                
    }
    public function getRequestMethods(){
        return Request :: POST;
    }
}
?>