Php5 and mysql5web development technology-10php session management php5 and mysql5web development technology-10p_PHP tutorial

Source: Internet
Author: User
Php5 and mysql5web development technology-10php session management php5 and mysql5web development technology-10 p. Session management is an important part of web development, including Session and Cookie Technologies. 1. Cookie working principle setcookie () 2. Cookie application development can only read from a single domain in the same domain, not hypersession management is an important part of web development, including Session and Cookie Technologies.

1. how cookies work

Setcookie ()

2. Cookie application development

Read only the domain

A single domain cannot contain more than 20 cookies. each Cookie file has a maximum length of 4 K bytes. a browser can store up to 300 cookies.

Six attributes: name, value, expires, path, domain, and secure

Save form content

Control access authorization

3. write a general Cookie class

4. solutions

Cookie access optimization

Saves a series of cookie data to an array.

Check whether the client supports

Set a cookie for the first time, 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 the current sessionid

Change the expiration time session. cookie_lifetime

Destroys the current session

8. session encoding and decoding

Session_encode ()

Session_decode ()

9. Save the array in the session

10. Save the object in the session

11. session access optimization

12. Sharing sessions under multiple servers (important)

13. session Security

Bytes. 1. Cookie working principle setcookie () 2. Cookie application development can only read a single domain in the same domain and cannot exceed...

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