From 69fb41da4566bbda627c2feda3e5eb28958759b2 Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Wed, 30 Sep 2020 22:04:43 +1300
Subject: [PATCH] Fix cache bypass

If the contact is not impacted by any acls then ids will be an empty array. However, currently
an empty array is treated as 'uncached' rather than 'cached by empty' which
would be represented by null
---
 CRM/ACL/BAO/ACL.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CRM/ACL/BAO/ACL.php b/CRM/ACL/BAO/ACL.php
index 583b3dc0ce..ec8666164d 100644
--- a/CRM/ACL/BAO/ACL.php
+++ b/CRM/ACL/BAO/ACL.php
@@ -480,7 +480,7 @@ SELECT g.*
       $cacheKey = CRM_Utils_Cache::cleanKey("$tableName-$aclKeys");
       $cache = CRM_Utils_Cache::singleton();
       $ids = $cache->get($cacheKey);
-      if (!$ids) {
+      if (!is_array($ids)) {
         $ids = [];
         $query = "
 SELECT   a.operation, a.object_id
-- 
2.25.1