PHP 7.0 requirement

Signed-off-by: Joas Schilling <coding@schilljs.com>

3 files changed, 3 insertions, 6 deletions

diff --git a/lib/Command/Generate.php b/lib/Command/Generate.php
index 363b201..9c52914 100644
--- a/lib/Command/Generate.php
+++ b/lib/Command/Generate.php
@@ -86,7 +86,7 @@ class Generate extends Command {
 	 * @param OutputInterface $output
 	 * @return int
 	 */
-	protected function execute(InputInterface $input, OutputInterface $output) {
+	protected function execute(InputInterface $input, OutputInterface $output): int {
 
 		$userId = $input->getArgument('user-id');
 		$subject = $input->getArgument('short-message');
diff --git a/lib/Controller/APIController.php b/lib/Controller/APIController.php
index 6328cb4..31fd45b 100644
--- a/lib/Controller/APIController.php
+++ b/lib/Controller/APIController.php
@@ -64,10 +64,7 @@ class APIController extends OCSController {
 	 * @param string $longMessage
 	 * @return DataResponse
 	 */
-	public function generateNotification($userId, $shortMessage, $longMessage) {
-		$shortMessage = (string) $shortMessage;
-		$longMessage = (string) $longMessage;
-
+	public function generateNotification(string $userId, string $shortMessage, string $longMessage = ''): DataResponse {
 		$user = $this->userManager->get($userId);
 
 		if (!$user instanceof IUser) {
diff --git a/lib/Notifier/AdminNotifications.php b/lib/Notifier/AdminNotifications.php
index 76b27ae..1e63672 100644
--- a/lib/Notifier/AdminNotifications.php
+++ b/lib/Notifier/AdminNotifications.php
@@ -51,7 +51,7 @@ class AdminNotifications implements INotifier {
 	 * @return INotification
 	 * @throws \InvalidArgumentException When the notification was not prepared by a notifier
 	 */
-	public function prepare(INotification $notification, $languageCode) {
+	public function prepare(INotification $notification, $languageCode): INotification {
 		if ($notification->getApp() !== 'admin_notifications') {
 			throw new \InvalidArgumentException('Unknown app');
 		}