use right return types

Author: TamaroWalter

classes/discussion/discussion.php

@@ -362,7 +362,7 @@ public function moodleoverflow_delete_post_from_discussion(object $prepost): boo
      * @param object $prepost The prepost object from the post_control. Has Information about the post and other important stuff.
      * @throws dml_exception|moodle_exception
      */
-    public function moodleoverflow_edit_post_from_discussion(object $prepost): true {
+    public function moodleoverflow_edit_post_from_discussion(object $prepost): bool {
         global $DB;
         $this->existence_check();
         $this->posts_check();

classes/post/post.php

@@ -405,7 +405,7 @@ public function moodleoverflow_delete_post(bool $deletechildren): bool {
      * @return true if the post has been edited successfully
      * @throws moodle_exception
      */
-    public function moodleoverflow_edit_post(int $time, string $postmessage, int $messageformat, ?int $formattachments): true {
+    public function moodleoverflow_edit_post(int $time, string $postmessage, int $messageformat, ?int $formattachments): bool {
         global $DB;
         $this->existence_check();