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php 中session的如何使用

Jun 13, 2016 am 11:15 AM
nbsp php session start

php 中session的怎么使用
初次做php项目,对于session的控制不太明白,看了一些资料还是比较迷茫,在这里希望各位大神们给解答一下,主要解决一下几个问题:
1、登录时,存储用户信息在session中
2、登录超时
3、对一些功能进行“是否登录”的验证

php??session php
------解决方案--------------------
在登录前使用session start就好
对功能模块查询session数组中的值然后就行判断
------解决方案--------------------
开启  session    

登陆后生成随机id  或者 将数据库中登陆id存入$nameid=session   

验证是否登陆,直接判断 $nameid  是否有值。
------解决方案--------------------
session_start();  
1、登录时,存储用户信息在session中
$_SESSION['user'] = 'xxx';
2、是否登录超时
if(isset($_SESSION['user']))
3、注销登录
unset($_SESSION);
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