From e60466dabc6767aeaa6b2db7233cc64faec51017 Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Wed, 28 Feb 2024 06:21:07 +0900
Subject: [PATCH] fix: ErrorException is thrown if getimagesize() returns false

ErrorException
Trying to access array offset on value of type bool
---
 system/Validation/FileRules.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/system/Validation/FileRules.php b/system/Validation/FileRules.php
index ce0ed8140d..d09d660029 100644
--- a/system/Validation/FileRules.php
+++ b/system/Validation/FileRules.php
@@ -242,7 +242,13 @@ class FileRules
             $allowedHeight = $params[1] ?? 0;
 
             // Get uploaded image size
-            $info       = getimagesize($file->getTempName());
+            $info = getimagesize($file->getTempName());
+
+            if ($info === false) {
+                // Cannot get the image size.
+                return false;
+            }
+
             $fileWidth  = $info[0];
             $fileHeight = $info[1];