From 0e9f5ae28715dea40a9059b020760e3f509a991d Mon Sep 17 00:00:00 2001
From: Daniel Bachhuber <daniel@handbuilt.co>
Date: Mon, 17 Aug 2020 13:58:51 -0700
Subject: [PATCH] Make sure `$results` is an array before trying to get its
 values

---
 object-cache.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/object-cache.php b/object-cache.php
index 7453648..537a516 100644
--- a/object-cache.php
+++ b/object-cache.php
@@ -702,7 +702,7 @@ public function get_multiple( $keys, $group = 'default', $force = false ) {
 		if ( $this->_should_use_redis_hashes( $group ) ) {
 			$redis_safe_group = $this->_key( '', $group );
 			$results          = $this->_call_redis( 'hmGet', $redis_safe_group, $remaining_keys );
-			$results          = array_values( $results );
+			$results          = is_array( $results ) ? array_values( $results ) : $results;
 		} else {
 			$ids = array();
 			foreach ( $remaining_keys as $key ) {