PMA\libraries\plugins\export\ExportSql::exportDBHeader PHP Method

    public function exportDBHeader($db, $db_alias = '')
    {
        if (empty($db_alias)) {
            $db_alias = $db;
        }
        if (isset($GLOBALS['sql_compatibility'])) {
            $compat = $GLOBALS['sql_compatibility'];
        } else {
            $compat = 'NONE';
        }
        $head = $this->_exportComment() . $this->_exportComment(__('Database:') . ' ' . Util::backquoteCompat($db_alias, $compat, isset($GLOBALS['sql_backquotes']))) . $this->_exportComment();
        return PMA_exportOutputHandler($head);
    }