#429488 by Berdir | nbz: Fixed #348907 follow-up: inline documentation of _privatemsg...

diff --git a/privatemsg.module b/privatemsg.module
index f651e14..f66436e 100644 (file)
--- a/privatemsg.module
+++ b/privatemsg.module
@@ -44,6 +44,8 @@ function _privatemsg_generate_user_array($userstring, $slice = NULL) {
   // Convert user uid list (uid1,uid2,uid3) into an array. If $slice is not NULL
   // pass that as argument to array_slice(). For example, -4 will only load the
   // last four users.
+  // This is done to avoid loading user objects that are not displayed, for
+  // obvious performance reasons.
   $users = explode(',', $userstring);
   if (!is_null($slice)) {
     $users = array_slice($users, $slice);