diff --git a/src/Mailer/Traits/MailerTrait.php b/src/Mailer/Traits/MailerTrait.php
index 058f39117..f37641d62 100644
--- a/src/Mailer/Traits/MailerTrait.php
+++ b/src/Mailer/Traits/MailerTrait.php
@@ -241,7 +241,7 @@ private function saveEmail(): bool
     private function createFromTemplate(): string
     {
         ob_start();
-        ob_implicit_flush(0);
+        ob_implicit_flush(PHP_VERSION_ID >= 80000 ? false : 0);
 
         if (is_array($this->message)) {
             extract($this->message, EXTR_OVERWRITE);
diff --git a/src/Module/Templates/DemoApi/src/Controllers/PostController.php.tpl b/src/Module/Templates/DemoApi/src/Controllers/PostController.php.tpl
index c4f2b3549..75d2b7797 100644
--- a/src/Module/Templates/DemoApi/src/Controllers/PostController.php.tpl
+++ b/src/Module/Templates/DemoApi/src/Controllers/PostController.php.tpl
@@ -59,7 +59,7 @@ class PostController extends BaseController
     {
         $perPage = $request->get('per_page', (string) self::POSTS_PER_PAGE);
         $currentPage = $request->get('page', (string) self::CURRENT_PAGE);
-        $search = trim($request->get('q'));
+        $search = (string) trim($request->get('q'));
 
         $paginatedPosts = $this->postService->getPosts($perPage, $currentPage, $search);
 
diff --git a/src/Module/Templates/DemoWeb/src/Controllers/PostController.php.tpl b/src/Module/Templates/DemoWeb/src/Controllers/PostController.php.tpl
index 6399b04b5..c2f0a6239 100644
--- a/src/Module/Templates/DemoWeb/src/Controllers/PostController.php.tpl
+++ b/src/Module/Templates/DemoWeb/src/Controllers/PostController.php.tpl
@@ -64,7 +64,7 @@ class PostController extends BaseController
     {
         $perPage = $request->get('per_page', (string) self::POSTS_PER_PAGE);
         $currentPage = $request->get('page', (string) self::CURRENT_PAGE);
-        $search = trim($request->get('q'));
+        $search = (string) trim($request->get('q'));
 
         $paginatedPosts = $this->postService->getPosts($perPage, $currentPage, $search);