From 861135bd6caf9aa537ca7a74e5943d09ee8e142c Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Tue, 10 Oct 2023 15:12:17 +0900
Subject: [PATCH] Fix undefined variables in article page

---
 modules/page/m.skins/default/mobile.html | 4 ++--
 modules/page/page.mobile.php             | 6 ++----
 modules/page/page.view.php               | 6 ++----
 modules/page/skins/default/content.html  | 4 ++--
 4 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/modules/page/m.skins/default/mobile.html b/modules/page/m.skins/default/mobile.html
index 85984b8b6..02011ab25 100644
--- a/modules/page/m.skins/default/mobile.html
+++ b/modules/page/m.skins/default/mobile.html
@@ -1,2 +1,2 @@
-<h1 cond="$module_info->display_mobile_title != 'hide'">{$oDocument->getTitle()}</h1>
-{$oDocument->getContent($module_info->display_popupmenu != 'hide')}
+<h1 cond="($module_info->display_mobile_title ?? '') !== 'hide'">{$oDocument->getTitle()}</h1>
+{$oDocument->getContent(($module_info->display_popupmenu ?? '') !== 'hide')}
diff --git a/modules/page/page.mobile.php b/modules/page/page.mobile.php
index b1969a879..78d5a2f5b 100644
--- a/modules/page/page.mobile.php
+++ b/modules/page/page.mobile.php
@@ -7,10 +7,8 @@ class PageMobile extends PageView
 	{
 		$oTemplate = &TemplateHandler::getInstance();
 
-		$oDocumentModel = getModel('document');
-		$oDocument = $oDocumentModel->getDocument(0);
-
-		if($this->module_info->mdocument_srl)
+		$oDocument = DocumentModel::getDocument(0);
+		if($this->module_info->mdocument_srl ?? 0)
 		{
 			$document_srl = $this->module_info->mdocument_srl;
 			$oDocument->setDocument($document_srl);
diff --git a/modules/page/page.view.php b/modules/page/page.view.php
index 41513e23b..8e26a2f6b 100644
--- a/modules/page/page.view.php
+++ b/modules/page/page.view.php
@@ -143,10 +143,8 @@ class PageView extends Page
 	{
 		$oTemplate = &TemplateHandler::getInstance();
 
-		$oDocumentModel = getModel('document');
-		$oDocument = $oDocumentModel->getDocument(0);
-
-		if($this->module_info->document_srl)
+		$oDocument = DocumentModel::getDocument(0);
+		if($this->module_info->document_srl ?? 0)
 		{
 			$document_srl = $this->module_info->document_srl;
 			$oDocument->setDocument($document_srl);
diff --git a/modules/page/skins/default/content.html b/modules/page/skins/default/content.html
index 8fa98b30e..d9ed2c234 100644
--- a/modules/page/skins/default/content.html
+++ b/modules/page/skins/default/content.html
@@ -1,6 +1,6 @@
 <block cond="$oDocument">
-<h1 cond="$module_info->display_title != 'hide'">{$oDocument->getTitle()}</h1>
-{$oDocument->getContent($module_info->display_popupmenu != 'hide')}
+<h1 cond="($module_info->display_title ?? '') !== 'hide'">{$oDocument->getTitle()}</h1>
+{$oDocument->getContent(($module_info->display_popupmenu ?? '') !== 'hide')}
 </block>
 <block cond="!$oDocument">
 {$lang->none_content}