PMA\libraries\plugins\schema\ExportRelationSchema::getFileName PHP Method

    protected function getFileName($extension)
    {
        $filename = $this->db . $extension;
        // Get the name of this page to use as filename
        if ($this->pageNumber != -1 && !$this->offline) {
            $_name_sql = 'SELECT page_descr FROM ' . PMA\libraries\Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA\libraries\Util::backquote($GLOBALS['cfgRelation']['pdf_pages']) . ' WHERE page_nr = ' . $this->pageNumber;
            $_name_rs = PMA_queryAsControlUser($_name_sql);
            $_name_row = $GLOBALS['dbi']->fetchRow($_name_rs);
            $filename = $_name_row[0] . $extension;
        }
        return $filename;
    }