updated comment on why we may want to keep access cache

git-svn-id: http://code.elgg.org/elgg/trunk@8578 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/engine/lib/access.php b/engine/lib/access.php
index 30febb7990afe4de42711b253d6e1ac3053aa000..91eb6c8f02c14a9e0d566ea4c6df863749ee62ec 100644 (file)
--- a/engine/lib/access.php
+++ b/engine/lib/access.php
@@ -69,7 +69,7 @@ function get_access_array($user_id = 0, $site_id = 0, $flush = false) {
        global $CONFIG, $init_finished;
 
        // @todo everything from the db is cached.
-       // this cache might be redundant.
+       // this cache might be redundant. But cache is flushed on every db write.
        static $access_array;
 
        if (!isset($access_array) || (!isset($init_finished)) || (!$init_finished)) {