From 0ac3f19a23eed02fbb27cc5586254a5eb7d30af9 Mon Sep 17 00:00:00 2001
From: Ng Kiat Siong <kiatsiong.ng@gmail.com>
Date: Fri, 10 Nov 2023 22:09:50 +0800
Subject: [PATCH] Fixed strtr(): Passing null to parameter #1 ($string) of type
 string is deprecated (#3639)

---
 app/code/core/Mage/Catalog/Helper/Product/Url.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/core/Mage/Catalog/Helper/Product/Url.php b/app/code/core/Mage/Catalog/Helper/Product/Url.php
index 45f72855853..428f8a537ec 100644
--- a/app/code/core/Mage/Catalog/Helper/Product/Url.php
+++ b/app/code/core/Mage/Catalog/Helper/Product/Url.php
@@ -115,6 +115,6 @@ public function getConvertTable()
      */
     public function format($string)
     {
-        return strtr($string, $this->getConvertTable());
+        return $string === null ? '' : strtr($string, $this->getConvertTable());
     }
 }