From 7a04c51aa25f492369880ab5adca7147cf09a48b Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Wed, 1 Nov 2023 09:03:08 +0900
Subject: [PATCH] docs: add return types in sample code

---
 user_guide_src/source/outgoing/view_cells/014.php | 2 +-
 user_guide_src/source/outgoing/view_cells/016.php | 2 +-
 user_guide_src/source/outgoing/view_cells/018.php | 2 +-
 user_guide_src/source/outgoing/view_cells/019.php | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/user_guide_src/source/outgoing/view_cells/014.php b/user_guide_src/source/outgoing/view_cells/014.php
index 29378e1199ab..7aa1ad4c9d8c 100644
--- a/user_guide_src/source/outgoing/view_cells/014.php
+++ b/user_guide_src/source/outgoing/view_cells/014.php
@@ -12,7 +12,7 @@ class AlertMessageCell extends Cell
     protected $message;
     private $computed;
 
-    public function mount()
+    public function mount(): void
     {
         $this->computed = sprintf('%s - %s', $this->type, $this->message);
     }
diff --git a/user_guide_src/source/outgoing/view_cells/016.php b/user_guide_src/source/outgoing/view_cells/016.php
index 4b2c10ef0cc6..54d9d7d994a4 100644
--- a/user_guide_src/source/outgoing/view_cells/016.php
+++ b/user_guide_src/source/outgoing/view_cells/016.php
@@ -10,7 +10,7 @@ class RecentPostsCell extends Cell
 {
     protected $posts;
 
-    public function linkPost($post)
+    public function linkPost($post): string
     {
         return anchor('posts/' . $post->id, $post->title);
     }
diff --git a/user_guide_src/source/outgoing/view_cells/018.php b/user_guide_src/source/outgoing/view_cells/018.php
index 3f64e68464e9..8767af1b40a2 100644
--- a/user_guide_src/source/outgoing/view_cells/018.php
+++ b/user_guide_src/source/outgoing/view_cells/018.php
@@ -8,7 +8,7 @@ class RecentPostsCell extends Cell
 {
     protected $posts;
 
-    public function mount()
+    public function mount(): void
     {
         $this->posts = model('PostModel')->orderBy('created_at', 'DESC')->findAll(10);
     }
diff --git a/user_guide_src/source/outgoing/view_cells/019.php b/user_guide_src/source/outgoing/view_cells/019.php
index df78ab0acec5..db1b12b56b54 100644
--- a/user_guide_src/source/outgoing/view_cells/019.php
+++ b/user_guide_src/source/outgoing/view_cells/019.php
@@ -10,7 +10,7 @@ class RecentPostsCell extends Cell
 {
     protected $posts;
 
-    public function mount(?int $categoryId)
+    public function mount(?int $categoryId): void
     {
         $this->posts = model('PostModel')
             ->when(