unsetting a Joomla session variable

[whiskeyJak]

I'm using a session variable to display a confirmation message after a
form has been submitted.

$session =& JFactory::getSession();
echo $session->get('confirmationMessage');

Currently I just set the confirmationMessage value to an empty string
after I display the message, but I'd rather remove it from memory
completely if I can.

Is there a Joomla equivilant to the PHP method of
unset($_SESSION['session_variable_name']); I'd rather stick within the
Joomla methodology for doing things if possible. But $session-
>unset('sessionVariableName'); just produces a fatal error.

[David Barrett]

$session->clear('confirmationMessage');

http://api.joomla.org/Joomla-Framework/Session/JSession.html#clear

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[whiskeyJak]

thanks