Joomla! Documentation™

Description

Find out if a user has a one or more active sessions

Syntax

exists($userid)

Parameter Name	Default Value	Description
$userid		$userid The identifier of the user

Returns

boolean True if a session for this user exists

Defined in

libraries/joomla/database/table/session.php

Importing

jimport( 'joomla.database.table.session' );

Source Body

function exists($userid)
{
        $query = 'SELECT COUNT(userid) FROM #__session'
                . ' WHERE userid = '. $this->_db->Quote($userid);
        $this->_db->setQuery($query);

        if (!$result = $this->_db->loadResult()) {
                $this->setError($this->_db->stderr());
                return false;
        }

        return (boolean) $result;
}