If an empty array is passed into set method, then make sure the tag value being stored in the database is null, not "Array"

1 files changed, 2 insertions, 0 deletions

diff --git a/modules/gallery/libraries/drivers/Cache/Database.php b/modules/gallery/libraries/drivers/Cache/Database.php
index 43f4e38a..7e2aeabc 100644
--- a/modules/gallery/libraries/drivers/Cache/Database.php
+++ b/modules/gallery/libraries/drivers/Cache/Database.php
@@ -60,6 +60,8 @@ class Cache_Database_Driver implements Cache_Driver {
     if (!empty($tags)) {
       // Escape the tags, adding brackets so the tag can be explicitly matched
       $tags = "<" . implode(">,<", $tags) . ">";
+    } else {
+      $tags = null;
     }
 
     // Cache Database driver expects unix timestamp