Merge pull request #13070 from craftcms/bugfix/edit-user-set-fail-flash

edit user set fail flash adjustment

Author: brandonkelly

CHANGELOG.md

@@ -16,6 +16,7 @@
 - Fixed a bug where it wasn’t possible to update a Matrix block on a revision without a new block ID being assigned. ([#13064](https://github.com/craftcms/cms/discussions/13064))
 - Fixed a JavaScript error that could occur on field layout designers, if any tabs didn’t have any elements. ([#13062](https://github.com/craftcms/cms/issues/13062))
 - Fixed a bug where selecting an image with a transform within an asset selector modal wasn’t ever resolving.
+- Fixed a PHP error that could occur if there was a problem sending a password-reset email. ([#13070](https://github.com/craftcms/cms/pull/13070))
 - Fixed XSS vulnerabilities.
 - Updated yii2-debug to 2.1.22. ([#13058](https://github.com/craftcms/cms/issues/13058))
 

src/controllers/UsersController.php

@@ -794,7 +794,12 @@ public function actionActivateUser(): ?Response
     public function actionEditUser(mixed $userId = null, ?User $user = null, ?array $errors = null): Response
     {
         if (!empty($errors)) {
-            $this->setFailFlash(implode(', ', reset($errors)));
+            $firstError = reset($errors);
+            if (is_array($firstError)) {
+                $this->setFailFlash(implode(', ', $firstError));
+            } else {
+                $this->setFailFlash($firstError);
+            }
         }
 
         // Determine which user account we're editing