Joomla! Documentation™

Description

Logout authentication function.

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Syntax

logout($userid=null, $options=array())

Parameter Name	Default Value	Description
$userid	null	$userid The user to load - Can be an integer or string - If string, it is converted to ID automatically
$options	array()	$options Array('clientid' => array of client id's)

Defined in

libraries/joomla/application/application.php

Importing

jimport( 'joomla.application.application' );

Source Body

public function logout($userid = null, $options = array())
{
        // Initialise variables.
        $retval = false;

        // Get a user object from the JApplication.
        $user = &JFactory::getUser($userid);

        // Build the credentials array.
        $parameters['username'] = $user->get('username');
        $parameters['id']               = $user->get('id');

        // Set clientid in the options array if it hasn't been set already.
        if (empty($options['clientid'])) {
                $options['clientid'][] = $this->getClientId();
        }

        // Import the user plugin group.
        JPluginHelper::importPlugin('user');

        // OK, the credentials are built. Lets fire the onLogout event.
        $results = $this->triggerEvent('onLogoutUser', array($parameters, $options));

        /*
         * If any of the authentication plugins did not successfully complete
         * the logout routine then the whole method fails.  Any errors raised
         * should be done in the plugin as this provides the ability to provide
         * much more information about why the routine may have failed.
         */
        if (!in_array(false, $results, true)) {
                // Use domain and path set in config for cookie if it exists.
                $cookie_domain = $this->getCfg('cookie_domain', '');
                $cookie_path = $this->getCfg('cookie_path', '/');
                setcookie(JUtility::getHash('JLOGIN_REMEMBER'), false, time() - 86400, $cookie_path, $cookie_domain );
                return true;
        }

        // Trigger onLoginFailure Event.
        $this->triggerEvent('onLogoutFailure', array($parameters));

        return false;
}

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