From d02ea160c1d3403393a5ee63ee6da25fc693af3a Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Sun, 5 Nov 2023 13:30:55 +0900
Subject: [PATCH] Fix undefined variable in getThumbnail()

---
 modules/comment/comment.item.php   | 8 ++++++--
 modules/document/document.item.php | 4 ++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/modules/comment/comment.item.php b/modules/comment/comment.item.php
index 6d242678f..cee1bb7f3 100644
--- a/modules/comment/comment.item.php
+++ b/modules/comment/comment.item.php
@@ -901,7 +901,11 @@ class CommentItem extends BaseObject
 
 		if($source_file)
 		{
-			$output = FileHandler::createImageFile($source_file, $thumbnail_file, $trigger_obj->width, $trigger_obj->height, $trigger_obj->image_type, $trigger_obj->type, $trigger_obj->quality);
+			$output_file = FileHandler::createImageFile($source_file, $thumbnail_file, $trigger_obj->width, $trigger_obj->height, $trigger_obj->image_type, $trigger_obj->type, $trigger_obj->quality);
+		}
+		else
+		{
+			$output_file = false;
 		}
 
 		// Remove source file if it was temporary
@@ -914,7 +918,7 @@ class CommentItem extends BaseObject
 		FileHandler::removeFile($thumbnail_lockfile);
 
 		// Return the thumbnail path if it was successfully generated
-		if($output)
+		if($output_file)
 		{
 			return $thumbnail_url . '?' . date('YmdHis');
 		}
diff --git a/modules/document/document.item.php b/modules/document/document.item.php
index 4b4524158..29d750311 100644
--- a/modules/document/document.item.php
+++ b/modules/document/document.item.php
@@ -1268,6 +1268,10 @@ class DocumentItem extends BaseObject
 		{
 			$output_file = FileHandler::createImageFile($source_file, $thumbnail_file, $trigger_obj->width, $trigger_obj->height, $trigger_obj->image_type, $trigger_obj->type, $trigger_obj->quality);
 		}
+		else
+		{
+			$output_file = false;
+		}
 
 		// Remove source file if it was temporary
 		if($is_tmp_file)