From c6f728cec6fedcbd583b5b3fa9d29d68708a3ef0 Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Tue, 9 Feb 2021 01:21:53 +0900
Subject: [PATCH] Fix warnings in PHP 8.0 related to editor components

---
 classes/editor/EditorHandler.class.php        |  2 +-
 .../image_link/image_link.class.php           | 22 +++++++++----------
 modules/editor/editor.controller.php          |  2 +-
 modules/editor/editor.model.php               |  2 +-
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/classes/editor/EditorHandler.class.php b/classes/editor/EditorHandler.class.php
index 825c3a24c..88810cf0f 100644
--- a/classes/editor/EditorHandler.class.php
+++ b/classes/editor/EditorHandler.class.php
@@ -20,7 +20,7 @@ class EditorHandler extends BaseObject
 	{
 		Context::set('component_info', $info);
 
-		if(!$info->extra_vars)
+		if(!isset($info->extra_vars) || !$info->extra_vars)
 		{
 			return;
 		}
diff --git a/modules/editor/components/image_link/image_link.class.php b/modules/editor/components/image_link/image_link.class.php
index bdd56c935..49700650d 100644
--- a/modules/editor/components/image_link/image_link.class.php
+++ b/modules/editor/components/image_link/image_link.class.php
@@ -43,17 +43,17 @@ class image_link extends EditorHandler
 	 */
 	function transHTML($xml_obj)
 	{
-		$src = $xml_obj->attrs->src;
-		$width = $xml_obj->attrs->width;
-		$height = $xml_obj->attrs->height;
-		$align = $xml_obj->attrs->align;
-		$alt = $xml_obj->attrs->alt;
-		$title = $xml_obj->attrs->title;
-		$border = (int)$xml_obj->attrs->border;
-		$link_url = $xml_obj->attrs->link_url;
-		$open_window = $xml_obj->attrs->open_window;
-		$style = $xml_obj->attrs->style;
-		$margin = (int)$xml_obj->attrs->margin;
+		$src = $xml_obj->attrs->src ?? null;
+		$width = $xml_obj->attrs->width ?? null;
+		$height = $xml_obj->attrs->height ?? null;
+		$align = $xml_obj->attrs->align ?? null;
+		$alt = $xml_obj->attrs->alt ?? null;
+		$title = $xml_obj->attrs->title ?? null;
+		$border = intval($xml_obj->attrs->border ?? 0);
+		$link_url = $xml_obj->attrs->link_url ?? null;
+		$open_window = $xml_obj->attrs->open_window ?? null;
+		$style = $xml_obj->attrs->style ?? null;
+		$margin = intval($xml_obj->attrs->margin ?? 0);
 
 		$src = str_replace(array('&','"'), array('&amp;','&qout;'), $src);
 		$src = str_replace('&amp;amp;', '&amp;', $src);
diff --git a/modules/editor/editor.controller.php b/modules/editor/editor.controller.php
index dee64e148..a713566f2 100644
--- a/modules/editor/editor.controller.php
+++ b/modules/editor/editor.controller.php
@@ -272,7 +272,7 @@ class editorController extends editor
 			if(!isset($xml_obj->attrs)) $xml_obj->attrs = new stdClass;
 			$xml_obj->attrs->{$m[1][$i]} = $m[2][$i];
 		}
-		$xml_obj->body = $match[4];
+		$xml_obj->body = $match[4] ?? null;
 
 		if(!$xml_obj->attrs->editor_component) return $match[0];
 
diff --git a/modules/editor/editor.model.php b/modules/editor/editor.model.php
index ec166007d..15eb1a131 100644
--- a/modules/editor/editor.model.php
+++ b/modules/editor/editor.model.php
@@ -518,7 +518,7 @@ class editorModel extends editor
 			return new BaseObject(-1, 'msg_component_is_not_founded', $component);
 		}
 
-		if(!self::$_loaded_component_list[$component][$editor_sequence])
+		if(!isset(self::$_loaded_component_list[$component][$editor_sequence]))
 		{
 			// Create an object of the component and execute
 			$class_path = sprintf('./modules/editor/components/%s/', $component);