FOF30\Controller\DataController::saveorder PHP Method

    public function saveorder()
    {
        // CSRF prevention
        $this->csrfProtection();
        $type = null;
        $msg = null;
        $model = $this->getModel()->savestate(false);
        $ids = $this->getIDsFromRequest($model, false);
        $orders = $this->input->get('order', array(), 'array');
        // Before saving the order, I have to check I the table really supports the ordering feature
        if (!$model->hasField('ordering')) {
            $msg = sprintf('%s does not support ordering.', $model->getTableName());
            $type = 'error';
        } else {
            $ordering = $model->getFieldAlias('ordering');
            // Several methods could throw exceptions, so let's wrap everything in a try-catch
            try {
                if ($n = count($ids)) {
                    for ($i = 0; $i < $n; $i++) {
                        $item = $model->find($ids[$i]);
                        $neworder = (int) $orders[$i];
                        if (!$item instanceof DataModel) {
                            continue;
                        }
                        if ($item->getId() == $ids[$i]) {
                            $item->{$ordering} = $neworder;
                            $userId = $this->container->platform->getUser()->id;
                            if ($model->isLocked($userId)) {
                                $model->checkIn($userId);
                            }
                            $model->save($item);
                        }
                    }
                }
                $model->reorder();
            } catch (\Exception $e) {
                $msg = $e->getMessage();
                $type = 'error';
            }
        }
        // Redirect
        if ($customURL = $this->input->getBase64('returnurl', '')) {
            $customURL = base64_decode($customURL);
        }
        $url = !empty($customURL) ? $customURL : 'index.php?option=' . $this->container->componentName . '&view=' . $this->container->inflector->pluralize($this->view) . $this->getItemidURLSuffix();
        $this->setRedirect($url, $msg, $type);
    }