Zebra_Session::gc PHP Méthode

    function gc()
    {
        // deletes expired sessions from database
        $result = $this->_mysql_query('

            DELETE FROM
                ' . $this->table_name . '
            WHERE
                session_expire < "' . $this->_mysql_real_escape_string(time()) . '"

        ') or die($this->_mysql_error());
    }