#学习笔记#(27)session和cookie

cookie

/*设置cookie(名称，数值，有效期，有效路径)*/setcookie('test', time(),0,'/study');/*删除cookie，数值置空，有效期设置为已过期*/setcookie('test','',time()-1);

session

//开始使用sessionsession_start();//设置一个session$_SESSION['test'] = time();//显示当前的session_idecho "session_id:".session_id();  //session_id:oa2239migafvlfm3h0n6eo4vf7//读取session值echo $_SESSION['test'];//销毁一个sessionunset($_SESSION['test']);