PHP/Cookie Session/Session Variables Unregister

Unregistering Variables

   <source lang="html4strict">

<?php

 session_register ("A") ;
 if (session_is_registered ("A" ) ) {
    session_unregister ( "A" ) or die ( "Could not unregister the session variable " ) ;
 }
 if (session_is_registered ("A" ) ) {
    echo "This session is still registered. " ;
 } else {
    echo "The session has been successfully unregistered! " ;
 }

?>

      </source>