public function onContentPrepareForm($form, $data)
	{
		if (!($form instanceof JForm))
		{
			$this->_subject->setError('JERROR_NOT_A_FORM');

			return false;
		}

		// Check we are manipulating a valid form - we do not display this in the admin users form or profile view.
		$name   = $form->getName();
		$layout = $this->app->input->get('layout', 'default');
		$view   = $this->app->input->get('view', 'default');

		if (!in_array($name, array('com_admin.profile', 'com_users.profile', 'com_users.registration')) || $layout != "edit" && $view != "registration")
		{
			return true;
		}

		// Add the registration fields to the form.
		JForm::addFormPath(__DIR__ . '/privacyconsent');
		$form->loadFile('privacyconsent');

		$fields = array(
			'privacy',
		);

		if (is_object($data))
		{
			$userId = isset($data->id) ? $data->id : 0;

			if ($userId > 0)
			{
				// Load the profile data from the database.
				$db = JFactory::getDbo();

				$query = $db->getQuery(true)
					->select($db->quoteName('profile_value'))
					->from($db->quoteName('#__user_profiles'))
					->where($db->quoteName('user_id') . ' = ' . (int) $userId)
					->where($db->quoteName('profile_key') . ' LIKE ' . $db->quote('consent'))
					->order($db->quoteName('ordering') . ' ASC');
				$db->setQuery($query);

				try
				{
					$results = $db->loadRowList();
				}
				catch (RuntimeException $e)
				{
					$this->_subject->setError($e->getMessage());

					return false;
				}

				if (!empty($results[0]) == 1)
				{
					$form->removeField('privacy', 'privacyconsent');

					return true;
				}
			}
		}

		$privacyarticle = $this->params->get('privacy_article');
		$privacynote    = $this->params->get('privacy_note');

		// Push the privacy article ID into the privacy field.
		$form->setFieldAttribute('privacy', 'article', $privacyarticle, 'privacyconsent');
		$form->setFieldAttribute('privacy', 'note', $privacynote, 'privacyconsent');
	}

if (!empty($results[0]) == 1)

if (!empty($results[0]))

$option = $this->app->input->getCmd('option');