php第二章

<?php
/**
* Created by PhpStorm.
* User: forr
* Date: 15/9/16
* Time: 下午10:41
*/
//cookie存放的位置为requestHeader中
//设置cookie,用于多个页面传输数据
setcookie('name','大头儿子');
//跳转到其他页面,通过get方式传值
header("Location:a.php?title=superman");

<?php
/**
* Created by PhpStorm.
* User: forr
* Date: 15/9/16
* Time: 下午10:42
*/
echo $_COOKIE['name'];
echo '<br/>'.$_GET['title'];

<?php
/**
* Created by PhpStorm.
* User: forr
* Date: 15/9/16
* Time: 下午11:22
*/
//使用session多个页面访问数据
$_SESSION['theme'] = '周杰伦';
//服务器把session清除
session_destroy();
header('Location:a.php');

<?php
/**
* Created by PhpStorm.
* User: forr
* Date: 15/9/16
* Time: 下午11:28
*/
session_start();
$f = empty($_SESSION['theme']);
if($f)
{
echo $_SESSION['theme'];
echo session_id();
}
else
{
echo '404找不到';
}