"User Filter: empty filter form fixed, merged from 1.9, MDL-16880"

diff --git a/user/filters/lib.php b/user/filters/lib.php
index d22d2a9ff0674f8f0e6245138c2b564ec2d3294f..7adb207f7cf8e7556c8c7196a7a706f04e59bdfa 100644 (file)
--- a/user/filters/lib.php
+++ b/user/filters/lib.php
@@ -78,6 +78,9 @@ class user_filtering {
                         }
                         unset($SESSION->user_filtering[$fname][$i]);
                     }
+                    if (empty($SESSION->user_filtering[$fname])) {
+                        unset($SESSION->user_filtering[$fname]);
+                    } 
                 }
             }
             // clear+reload the form