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php中session使用示例

Jun 06, 2016 pm 08:23 PM

这篇文章主要介绍了php中session使用示例,需要的朋友可以参考下

1.初始化(使用session前都要使用,一个页面用一个就可以了)

复制代码 代码如下:


session_start();

2.保存

复制代码 代码如下:


$_SESSION[$sessionName]=$value;

(value可以是double,bool,int,数组,object类型的数据)

例子:

复制代码 代码如下:


$_SESSION['LoginUser']="zs";

3.取出指定

例子:

复制代码 代码如下:


$uName=$_SESSION['LoginUser'];

4.删除指定

例子:

复制代码 代码如下:


unset($_SESSION['LoginUser']);

5.删除全部session(删除当前浏览器对应的session文件)

复制代码 代码如下:


session_destroy();

6.获取session_id

复制代码 代码如下:


$session_id=session_id();
$session_id=SID; //常量

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