From 3ed51b53e6208ecdd5320a1b6e7b2ccbe719afae Mon Sep 17 00:00:00 2001
From: HB9HIL <fabian.berg@hb9hil.org>
Date: Mon, 2 Feb 2026 14:11:51 +0100
Subject: [PATCH] check for php extentions before calling the cache driver.
 this avoids unnecessarry errors

---
 application/models/Debug_model.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/application/models/Debug_model.php b/application/models/Debug_model.php
index 15a09236f..6b8441122 100644
--- a/application/models/Debug_model.php
+++ b/application/models/Debug_model.php
@@ -243,6 +243,12 @@ class Debug_model extends CI_Model
 
         $available_adapters = ['file', 'redis', 'memcached', 'apcu'];
         foreach ($available_adapters as $adapter) {
+            // For redis, memcached and apcu we should check for the extension first to avoid unnecessary errors
+            if (in_array($adapter, ['redis', 'memcached', 'apcu'])) {
+                $is_supported = extension_loaded($adapter) ?? false;
+                $response['adapters'][$adapter] = $is_supported;
+                continue;
+            }
             $response['adapters'][$adapter] = $this->cache->is_supported($adapter);
         }