From a9ccc27745def0ef4609f88910ec1e574ac31312 Mon Sep 17 00:00:00 2001
From: Roman Ganin <rganin@ebay.com>
Date: Fri, 22 May 2015 13:44:26 +0300
Subject: [PATCH] MAGETWO-35512: [GitHub] Product Model sometimes values change
 in getters methods #1133

---
 app/code/Magento/Catalog/Model/Product.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/Catalog/Model/Product.php b/app/code/Magento/Catalog/Model/Product.php
index 4b567d53e5dd8..70699ed34557c 100644
--- a/app/code/Magento/Catalog/Model/Product.php
+++ b/app/code/Magento/Catalog/Model/Product.php
@@ -2266,8 +2266,11 @@ public function getIdentities()
             }
         }
         if ($this->getOrigData('status') != $this->getData('status')) {
-            foreach ($this->getData('category_ids') as $categoryId) {
-                $identities[] = self::CACHE_PRODUCT_CATEGORY_TAG . '_' . $categoryId;
+            $categoryIds = $this->getData('category_ids');
+            if (!empty($categoryIds)) {
+                foreach ($categoryIds as $categoryId) {
+                    $identities[] = self::CACHE_PRODUCT_CATEGORY_TAG . '_' . $categoryId;
+                }
             }
         }
         return array_unique($identities);