CI_DB_driver::db_set_charset PHP Method

    public function db_set_charset($charset)
    {
        if (method_exists($this, '_db_set_charset') && !$this->_db_set_charset($charset)) {
            log_message('error', 'Unable to set database connection charset: ' . $charset);
            if ($this->db_debug) {
                $this->display_error('db_unable_to_set_charset', $charset);
            }
            return FALSE;
        }
        return TRUE;
    }