PHP Getting Started session

This article is mainly for you to share a PHP introductory session of the method, with a good reference value, I hope to be helpful to everyone. Follow the small series together to see it.

Function: Store a user's information, change the user session settings, all pages can be used.

PHP Session variables

Open the program, make some changes, and then save the exit. is a session. The server can know who is operating through the session.
Working mechanism: Create a UID for the visitor, depending on the UID store variable, the UID is stored in a cookie, or URL conduction.

Using the PHP Session

Store user information before session, initiate a reply
Note: the Session_Start () function must precede the label:

<?php session_start ();  ? >
Register user sessions with the server to save user information while assigning a UID to a user session

Store Session variables

Storing and retrieving sessions is used$_SESSION

<?phpsession_start ()///Store session data if (Isset ($_session[' views '))} {    $_session[' views ']=$_session[' views ']+ 1;} else{    $_session[' views ']=9999;}? >
Output "Views: 9999"

Destroy Session

Which or function to use to unset() session_destroy() destroy

<?phpsession_start (); if (Isset ($_session[' views ')) {    //releases the specified SESSION variable    unset ($_session[' views ');} Complete destruction of Sessionsession_destroy ();? >
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