bool setcookie ( string name [, string value [,int expire [,string path [,string domain [,bool secure [,bool httponly]]]]]] )

SetCookie("MyCookie", "Value of MyCookie");

SetCookie("WithExpire", "Expire in 1 hour", time()+3600);//3600秒=1小時(shí)

SetCookie("FullCookie", "Full cookie value", time()+3600, "/forum", ".phpuser.com", 1);

class QueueSvc
{/*{{{*/
    private $length; // 隊(duì)列的長度
    private $server_arr;
    
    public function __construct($length,$server_arr)
    {
        $this->length = $length;
        $this->server_arr = $server_arr;
    }
    
    public function getServerArr()
    {
        return $this->server_arr;
    }
    
    public function set($server_name)
    {
        self::push($server_name);
    }
    
    private function push($server_name)
    {
        //有重復(fù)的記錄，把重復(fù)的刪掉
        if(self::isServerExist($server_name)){
            self::removeRepeat($server_name);
        }else{
            if(self::isFull()){
                //如果已經(jīng)滿了，要把隊(duì)列最后一個(gè)記錄刪掉
                array_pop($this->server_arr);
            }
        }
        //如果隊(duì)列為空，先置為空數(shù)組
        if(emptyempty($this->server_arr))
            $this->server_arr = array();
        //向隊(duì)列頭添加數(shù)據(jù) 
        array_unshift($this->server_arr,$server_name);  
    }
    
    private function isFull()
    {
        if(is_array($this->server_arr) && (count($this->server_arr) >= $this->length))
            return true;
        return false; 
    }
    
    private function isServerExist($server_name)
    {
        if(is_array($this->server_arr) && in_array($server_name,$this->server_arr))
            return true;
        return false;
    }
    
    private function removeRepeat($server_name)
    {
        if(is_array($this->server_arr) && in_array($server_name,$this->server_arr))
        {
            foreach($this->server_arr as $key=>$value)
            {
                if($server_name == $value)
                {
                    $this->array_remove($this->server_arr,$key);
                }
            }   
        }
    }
    
    private function array_remove(&$arr, $offset) {     
        array_splice ( $arr, $offset, 1 ); 
    }
}/*}}}*/require_once('queue_svc.php');
class CookieSvc
{/*{{{*/
    const   COOKIE_KEY = "GAME_SERVER";
    
    const   SEPARATE   = "|";
 
    const   COOKIE_LENGTH = "2";
    
    public function getCookieArr()
    {/*{{{*/
        $server_str =  $_COOKIE[self::COOKIE_KEY];
        $server_str =  $_COOKIE['GAME_SERVER'];
        if($server_str == ''){
            $result =  array();
        }else{
            $result = explode(self::SEPARATE,$server_str);
        }
        return $result;
    }/*}}}*/
    
    public function set($cookie_id)
    {/*{{{*/
        $server_arr = self::getCookieArr();
        if($cookie_id != false)
        {
            $que = new QueueSvc(self::COOKIE_LENGTH,$server_arr);
            $que->set($cookie_id);
            $server_new = $que->getServerArr();
            if(is_array($server_new))
            {
                $cookie_str = implode(self::SEPARATE,$server_new);
                setcookie(self::COOKIE_KEY,$cookie_str,time()+3600,'/');
            }
        }
    }/*}}}*/
}/*}}}*/

require_once("queue_svc.php");
 
require_once("cookie_svc.php");
 
$cookie_id = '4';
 
CookieSvc::set($cookie_id);

var_dump($_COOKIE);