    public static function title($id)
    {
        $sql = sprintf("SELECT `title` FROM `posts` WHERE `id` = '%d'", $id);
        try {
            $r = Db::result($sql);
            if (isset($r['error'])) {
                $title['error'] = $r['error'];
                //echo $title['error'];
            } else {
                $title = $r[0]->title;
            }
        } catch (Exception $e) {
            $title = $e->getMessage();
        }

        return $title;
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.