From cddca5cfa3c87dbccb83c095bc99ee94a462206b Mon Sep 17 00:00:00 2001
From: Brent Scheffler <brent@brentscheffler.com>
Date: Fri, 20 Oct 2023 09:43:19 -0700
Subject: [PATCH] Guarding against null values before unserializing. This
 addresses E_DEPRECATED notices in PHP 8.2 when unserializing as it the
 function signature now only accepts string values.

---
 src/Adapter/Predis/PredisCachePool.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Adapter/Predis/PredisCachePool.php b/src/Adapter/Predis/PredisCachePool.php
index f1ec6eee..cc43d26a 100644
--- a/src/Adapter/Predis/PredisCachePool.php
+++ b/src/Adapter/Predis/PredisCachePool.php
@@ -42,11 +42,13 @@ public function __construct(Client $cache)
      */
     protected function fetchObjectFromCache($key)
     {
-        if (false === $result = unserialize($this->cache->get($this->getHierarchyKey($key)))) {
+        $result = $this->cache->get($this->getHierarchyKey($key));
+
+        if (false === $result || null === $result) {
             return [false, null, [], null];
         }
 
-        return $result;
+        return unserialize($result);
     }
 
     /**