PHP session usage _ PHP Tutorial-php Tutorial

PHP session usage. 1. initialize (before using session, use one page.) 2. save $ _ SESSION []; (can be double, bool, int, array, object Data) example: $ _ S 1. initialization(Before using session, use one page)

2. Save

$ _ SESSION [] =;

(It can be double, bool, int, array, or object data)

Example:

$ _ SESSION [''] = "";

3. retrieve the specified

Example:

$ UName = $ _ SESSION [''];

4. delete the specified

Example:

($ _ SESSION ['']);

5. delete all sessions (delete the session file corresponding to the current browser)

6. get session_id

Session_id ();

SID; // constant

Commit (use before using session, and use one page) 2. save $ _ SESSION [] =; (can be double, bool, int, array, object Data) example: $ _ S...