有两种方法可以得到用户的session id,第一是使用session_id()函数,另外一种是使用内置的常量SID获得,SID包含了session id和session值。
");$sid = session_id();print("Session ID returned by session_id(): ".$sid."\n");$sid = SID;print("Session ID returned by SID: ".$sid."\n");$mysite = $_SESSION["mysite"];print("Value of mysite has been retrieved: ".$mysite."\n");print("