From 4d2b176b936f0e39acfce9cf869a68ae38895790 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Nogueira?= <>
Date: Mon, 24 Oct 2022 18:02:31 +0100
Subject: [PATCH] [Cache] Fix dealing with ext-redis' multi/exec returning a
 bool

---
 src/Symfony/Component/Cache/Traits/RedisTrait.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Cache/Traits/RedisTrait.php b/src/Symfony/Component/Cache/Traits/RedisTrait.php
index dabdde4e705ce..ac9d5e1a9c1b8 100644
--- a/src/Symfony/Component/Cache/Traits/RedisTrait.php
+++ b/src/Symfony/Component/Cache/Traits/RedisTrait.php
@@ -529,7 +529,11 @@ private function pipeline(\Closure $generator, $redis = null): \Generator
 
         if (!$redis instanceof \Predis\ClientInterface && 'eval' === $command && $redis->getLastError()) {
             $e = new \RedisException($redis->getLastError());
-            $results = array_map(function ($v) use ($e) { return false === $v ? $e : $v; }, $results);
+            $results = array_map(function ($v) use ($e) { return false === $v ? $e : $v; }, (array) $results);
+        }
+
+        if (\is_bool($results)) {
+            return;
         }
 
         foreach ($ids as $k => $id) {