Backend\Modules\Blog\Actions\ImportWordpress::validateForm PHP Метод

    private function validateForm()
    {
        // Is the form submitted?
        if ($this->frm->isSubmitted()) {
            // Cleanup the submitted fields, ignore fields that were added by hackers
            $this->frm->cleanupFields();
            // XML provided?
            if ($this->frm->getField('wordpress')->isFilled()) {
                $this->frm->getField('wordpress')->isAllowedExtension(array('xml'), BL::err('XMLFilesOnly'));
            } else {
                // No file
                $this->frm->getField('wordpress')->addError(BL::err('FieldIsRequired'));
            }
            // No errors?
            if ($this->frm->isCorrect()) {
                // Move the file
                $this->frm->getField('wordpress')->moveFile(FRONTEND_FILES_PATH . '/wordpress.xml');
                // Process the XML
                $this->processXML();
                // Remove the file
                $this->filesystem->remove(FRONTEND_FILES_PATH . '/wordpress.xml');
                // Everything is saved, so redirect to the overview
                $this->redirect(BackendModel::createURLForAction('index') . '&report=imported');
            }
        }
    }