public function getFieldsWithoutSection()
    {
        $matchedFields = array();
        foreach ($this->fields as $fieldName => $field) {
            if (!isset($field['options']['section']) || $field['options']['section'] === null || $field['options']['section'] === '') {
                $matchedFields[$fieldName] = $field;
            }
        }

        return $matchedFields;
    }