From fb464f184cc06df7ecaad19ba73b9e73110c2b17 Mon Sep 17 00:00:00 2001
From: Paweł Kłopotek-Główczewski <pawelkg@pawelkg.com>
Date: Sun, 9 Dec 2018 19:32:10 +0100
Subject: Test if cache file is writable before unlink it

---
 system/libraries/Cache/drivers/Cache_file.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 56dbb9974..cc6018787 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -276,7 +276,7 @@ class CI_Cache_file extends CI_Driver {
 
 		if ($data['ttl'] > 0 && time() > $data['time'] + $data['ttl'])
 		{
-			unlink($this->_cache_path.$id);
+            file_exists($this->_cache_path.$id) && unlink($this->_cache_path.$id);
 			return FALSE;
 		}
 
-- 
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