Detailed explanation of php5 and mysql5 web development technology-10 php session management Detailed explanation of php5 and mysql5 web development technology-10 p_PHP tutorial

Session management is an important part of web development, including Session and Cookie technologies.

1. How Cookie works

setcookie()

2. Cookie application development

Can only read the domain

A single domain cannot exceed 20 cookies. The maximum length of each cookie file is 4k bytes. The browser can store up to 300 cookies

6 attributes: name, value, expires, path, domain, secure

Save form content

Control access authorization

3. Write a general Cookie class

4. Solution

Cookie access optimization

You can save a series of cookie data into an array

Detect whether the client supports

Try to set a cookie on the first run and then call

Second-level domain name implementation

setcookie( name , value ,expires ,path ,'domain.com‘,secure )

Cookie security

Cookie restrictions

5. Session concept

6. Session configuration

7. Session application

Create

Modify

View current sessionid

Change expiration time session.cookie_lifetime

Destroy the current session

8. Session encoding and decoding

session_encode()

session_decode()

9. Save array in session

10. Save objects in session

11. Session access optimization

12. Sharing sessions on multiple servers (important)

13. Session security

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