PHP session Using the example _php instance

1. Initialization (use before session, a page with one can be)

Copy Code code as follows:

Session_Start ();

2. Save

Copy Code code as follows:

$_session[$sessionName]= $value;

(Value can be double,bool,int, array, object type of data)

Example:

Copy Code code as follows:

$_session[' Loginuser ']= "ZS";

3. Remove the specified

Example:

Copy Code code as follows:

$uName =$_session[' Loginuser '];

4. Delete the specified

Example:

Copy Code code as follows:

unset ($_session[' loginuser '));

5. Delete all sessions (delete the current browser's corresponding session file)

Copy Code code as follows:

Session_destroy ();

6. Get session_id

Copy Code code as follows:

$session _id=session_id ();
$session _id=sid; Constant