Craft\FormBuilder2Controller::actionRestoreForms PHP Method

    public function actionRestoreForms()
    {
        $this->requirePostRequest();
        $restoreFile = craft()->request->getPost('restoreForms');
        $filePath = \CUploadedFile::getInstanceByName('restoreForms');
        $sqlFileContents = StringHelper::arrayToString(IOHelper::getFileContents($filePath->getTempName(), true), '');
        $result = craft()->db->createCommand()->setText($sqlFileContents)->queryAll();
    }