From baed13d5efdc1465e9f57d66ed37c4bb06242afe Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Mon, 9 Mar 2020 09:58:41 -0400
Subject: [PATCH] Improve conditional in api3 ChainSubscriber

---
 Civi/API/Subscriber/ChainSubscriber.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Civi/API/Subscriber/ChainSubscriber.php b/Civi/API/Subscriber/ChainSubscriber.php
index 031d05b77a..932d78cbd0 100644
--- a/Civi/API/Subscriber/ChainSubscriber.php
+++ b/Civi/API/Subscriber/ChainSubscriber.php
@@ -54,7 +54,7 @@ class ChainSubscriber implements EventSubscriberInterface {
     $apiRequest = $event->getApiRequest();
     if ($apiRequest['version'] < 4) {
       $result = $event->getResponse();
-      if (!is_array($result) || ($result['is_error'] ?? 0) == 0) {
+      if (is_array($result) && empty($result['is_error'])) {
         $this->callNestedApi($event->getApiKernel(), $apiRequest['params'], $result, $apiRequest['action'], $apiRequest['entity'], $apiRequest['version']);
         $event->setResponse($result);
       }
-- 
2.25.1