Page 280 - Computer Software Application TP - Volume 1
P. 280

COMPUTER SOFTWARE APPLICATION - CITS



                                 <html>
                                 <body>
                               <?php

                 // Start the session
                 session_start();
                 // Unset a session variable
                 unset($_SESSION[‘username’]);
                 unset($_SESSION[‘user_email’]);

                 // Destroy all session data
                 session_destroy();
                 echo “All session data successfully removed”;
                 ?>

                       </body>
                                </html>
              3  Save the program in C:\Apache24\htdocs in a folder with .php extension
              4  Run the Apache services from windows services
              5  Open the browser and type the following address
                                     http://localhost/foldername/

              6  Click the php file to run  and verify the output

















           TASK 10: Working with the query string
           I  Creating a query string
              1  Open the text editor
              2  Write the following codes

                              <html>
                              <body>
                            <?php
                                  $data = array(
                                                   ‘name’ => ‘John Doe’,

                                     ‘age’ => 30
                                 );
                                   $query_string = http_build_query($data);





                                                           265
 CITS : IT & ITES - Computer Software Application - Exercise 54   CITS : IT & ITES - Computer Software Application - Exercise 54
   275   276   277   278   279   280   281   282   283   284   285