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-rw-r--r--kohana/libraries/drivers/Cache.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/kohana/libraries/drivers/Cache.php b/kohana/libraries/drivers/Cache.php
index 0e825bcf..6f24ccac 100644
--- a/kohana/libraries/drivers/Cache.php
+++ b/kohana/libraries/drivers/Cache.php
@@ -14,7 +14,7 @@ interface Cache_Driver {
/**
* Set a cache item.
*/
- public function set($id, $data, $tags, $lifetime);
+ public function set($id, $data, array $tags = NULL, $lifetime);
/**
* Find all of the cache ids for a given tag.