trying to prevent an undefined index error

diff --git a/blocks/admin_bookmarks/block_admin_bookmarks.php b/blocks/admin_bookmarks/block_admin_bookmarks.php
index 4d1ba9b17c111788a0c628d7bd24a309df6dd423..93049b6c61507a3c9269c36d07607aa7f9fbb56d 100644 (file)
--- a/blocks/admin_bookmarks/block_admin_bookmarks.php
+++ b/blocks/admin_bookmarks/block_admin_bookmarks.php
@@ -32,7 +32,7 @@ class block_admin_bookmarks extends block_base {
         }
 
         $this->content = new stdClass;
-               if ($USER->preference['admin_bookmarks']) {
+               if (isset($USER->preference['admin_bookmarks'])) {
             $bookmarks = explode(',',$USER->preference['admin_bookmarks']);
                        // hmm... just a liiitle (potentially) processor-intensive
                        // (recall that $ADMIN->locate is a huge recursive call... and we're calling it repeatedly here