php 操作 mysql 預處理(未完待續)

$host = 'localhost' = 'root' = '' = 'cmstop' =  mysqli(, , , ) or ('無法連接到mysql:'.->  = "SELECT CURRENT_USER(); SELECT * FROM `db_setting` LIMIT 5;" (->multi_query()){
    ( = ->store_result()){
            ( = ->fetch_row()){
                 [0->free();
(->more_results()){
             "<hr />"(->
 = "SELECT `app`,`var` FROM `db_setting` WHERE `app`=? LIMIT 5" = 'article' = ->(->prepare(->bind_param("s", ->execute();
    
    ->bind_result(, ); 
     (-> '<br/>', ,' => ', '<hr/>' = 'guestbook'->execute();
     = ->get_result(); 
     ( = -> [0],' => ',[1->->close();