From 4874e5cc6cd8cbf79890e6782a91bfd80bbf3c8d Mon Sep 17 00:00:00 2001
From: Fabrizio Balliano <fabrizio.balliano@gmail.com>
Date: Tue, 18 Apr 2023 09:07:28 +0100
Subject: [PATCH] Fixed deprecation warning in Mage_SalesRule_Model_Rule
 (#3188)

---
 app/code/core/Mage/SalesRule/Model/Rule.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/core/Mage/SalesRule/Model/Rule.php b/app/code/core/Mage/SalesRule/Model/Rule.php
index 9325bd7d885..2055367d69b 100644
--- a/app/code/core/Mage/SalesRule/Model/Rule.php
+++ b/app/code/core/Mage/SalesRule/Model/Rule.php
@@ -200,7 +200,7 @@ protected function _afterLoad()
      */
     protected function _afterSave()
     {
-        $couponCode = trim($this->getCouponCode());
+        $couponCode = trim((string)$this->getCouponCode());
         if (strlen($couponCode)
             && $this->getCouponType() == self::COUPON_TYPE_SPECIFIC
             && !$this->getUseAutoGeneration()