preg_replace third arg cannot be null (#811)

Author: sol-loup

Diff for: app/code/Meta/BusinessExtension/Helper/GraphAPIAdapter.php

@@ -205,12 +205,12 @@ private function callApi($method, $endpoint, $request)
                 $logResponse = preg_replace(
                     '/access_token=([a-z0-9A-Z]+)(?=[a-zA-Z0-9]{4,})/',
                     'access_token=XXXXXXX',
-                    $logResponse
+                    $logResponse ?? ''
                 );
                 $logResponse = preg_replace(
                     '/access_token\":\"([a-z0-9A-Z]+)(?=[a-zA-Z0-9]{4,})/',
                     'access_token":"XXXXXXX',
-                    $logResponse
+                    $logResponse ?? ''
                 );
 
                 $this->logger->debug(

Diff for: app/code/Meta/Catalog/Model/Product/Feed/Builder.php

@@ -402,7 +402,7 @@ private function getDescription(Product $product)
         $description = html_entity_decode(preg_replace(
             '/<\s*style.+?<\s*\/\s*style.*?>/',
             '',
-            $description
+            $description ?? ''
         ));
         // phpcs:ignore
         $description = html_entity_decode(preg_replace('/<[^<]+?>/', '', $description));
@@ -439,7 +439,7 @@ private function getRichDescription(Product $product)
         $description = html_entity_decode(preg_replace(
             '/<\s*style.+?<\s*\/\s*style.*?>/',
             '',
-            $description
+            $description ?? ''
         ));
 
         return $this->trimAttribute(