From 6f1190247830372d513b97da8a845a0fb1ae804c Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Tue, 4 Aug 2020 21:22:43 -0400
Subject: [PATCH] APIv4 - Fix potential PHP undefined index warning

Ensures the array key '0' exists in the where clause before accessing it.
---
 Civi/Api4/Generic/Traits/ArrayQueryActionTrait.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Civi/Api4/Generic/Traits/ArrayQueryActionTrait.php b/Civi/Api4/Generic/Traits/ArrayQueryActionTrait.php
index 7f16a88e69..4ae6096c50 100644
--- a/Civi/Api4/Generic/Traits/ArrayQueryActionTrait.php
+++ b/Civi/Api4/Generic/Traits/ArrayQueryActionTrait.php
@@ -60,7 +60,7 @@ trait ArrayQueryActionTrait {
    * @return bool
    */
   private function evaluateFilters($row) {
-    $where = $this->getWhere();
+    $where = array_values($this->getWhere());
     $allConditions = in_array($where[0], ['AND', 'OR', 'NOT']) ? $where : ['AND', $where];
     return $this->walkFilters($row, $allConditions);
   }
-- 
2.25.1