cookie详解

Setcookie(string name,string value,int expire,string path,string domain,int secure);



eg:setcookie("cookie","cookievalue",time()+3600,"/forum","xxx.com",1);

输出cookie：

echo $MyCookie;

echo $CookieArray[0];

echo $_COOKIE["MyCookie"];

echo $HTTP_COOKIE_VARS["MyCookie"];

删除cookie：

1. setcookie("Cookie","");

2.setcookie("cookie","value",time()-1/time()); //让时间过期

注意：

一个浏览器最多创建30个cookie，每个不超过4kb，每个web能设置的COOKIE总数不超过20个。