diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 3c22efae7cd0a..8c63177419caa 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -3523,7 +3523,7 @@ function forum_rating_validate($params) {
     if ($context->id != $params['context']->id) {
         throw new rating_exception('invalidcontext');
     }
-    
+
     if ($forum->scale != $params['scaleid']) {
         //the scale being submitted doesnt match the one in the database
         throw new rating_exception('invalidscaleid');
@@ -3535,7 +3535,7 @@ function forum_rating_validate($params) {
             throw new rating_exception('notavailable');
         }
     }
-    
+
     //check that the submitted rating is valid for the scale
 
     // lower limit
diff --git a/mod/glossary/lib.php b/mod/glossary/lib.php
index a62dc72ba7f87..e1cb20e4d583e 100644
--- a/mod/glossary/lib.php
+++ b/mod/glossary/lib.php
@@ -527,7 +527,7 @@ function glossary_rating_validate($params) {
         //item doesn't exist
         throw new rating_exception('invaliditemid');
     }
-        
+
     if ($info->scale != $params['scaleid']) {
         //the scale being submitted doesnt match the one in the database
         throw new rating_exception('invalidscaleid');
diff --git a/rating/index.php b/rating/index.php
index bdf3994ccdc69..38c2f5c5df9be 100644
--- a/rating/index.php
+++ b/rating/index.php
@@ -88,7 +88,7 @@
     if ($popup) {
         $sorturl->param('popup', $popup);
     }
-    
+
     $table = new html_table;
     $table->cellpadding = 3;
     $table->cellspacing = 3;
@@ -130,4 +130,4 @@
 if ($popup) {
     echo $OUTPUT->close_window_button();
 }
-echo $OUTPUT->footer();
\ No newline at end of file
+echo $OUTPUT->footer();
diff --git a/rating/lib.php b/rating/lib.php
index 9cad2ca43964c..f1a511e6ec305 100644
--- a/rating/lib.php
+++ b/rating/lib.php
@@ -571,10 +571,10 @@ public function get_ratings($options) {
                        $aggregatestr(r.rating) AS aggrrating, COUNT(r.rating) AS numratings,
                        ur.id, ur.userid, ur.scaleid, ur.rating AS usersrating
                   FROM {rating} r
-             LEFT JOIN {rating} ur ON ur.contextid = r.contextid AND 
-                                      ur.itemid = r.itemid AND 
-                                      ur.component = r.component AND 
-                                      ur.ratingarea = r.ratingarea AND 
+             LEFT JOIN {rating} ur ON ur.contextid = r.contextid AND
+                                      ur.itemid = r.itemid AND
+                                      ur.component = r.component AND
+                                      ur.ratingarea = r.ratingarea AND
                                       ur.userid = :userid
                  WHERE r.contextid = :contextid AND
                        r.itemid {$itemidtest} AND