Fix null value and add announcement to readme

Summary: Fix null value and add announcement to readme Reviewed By: zlik Differential Revision: D42453144 fbshipit-source-id: 2ee77de3734e5e752b0b8ddccdb576d06f24089d
facebookarchive · Jan 11, 2023 · 3840e94 · 3840e94
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/Helper/MagentoDataHelper.php b/Helper/MagentoDataHelper.php
@@ -478,7 +478,7 @@ public function getUserDataFromSession()
     }
 
     private function hashValue($string){
-        return hash('sha256', strtolower($string));
+        return hash('sha256', strtolower($string ?? ''));
     }
 
     // TODO Remaining user/custom data methods that can be obtained using Magento.

diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-
+### NOTE: This version will be upgraded in early 2023; please stay tuned for updates.
 # Facebook Business Extension For Magento2
 
 ## Facebook Connects Businesses with People