How can I clear my php session data correctly?

Question

My php website flows like this:

• Page1.php has an html form which POSTs to Page2.php
• Page2.php stores all the POST data into SESSION variables and has

Answer 1

Use session_unset(). Like this:

  
    ' . "\n";
      print_r($_SESSION);
      print '    

' . "\n"; session_unset(); print '

' . "\n";
      print_r($_SESSION);
      print '    

' . "\n"; ?>

This would output:

Array
(
variabletounset => I am going to be unset soon along with all of the other session variables.
)

Array
(
)