Avoid fatals when the filter tags is empty

Bug: T194164
Change-Id: I418cbe2259e7c1622a58a4a310a3cd56873f16c3

diff --git a/includes/changetags/ChangeTags.php b/includes/changetags/ChangeTags.php
index 8dc63e5..d9ca8d7 100644 (file)
--- a/includes/changetags/ChangeTags.php
+++ b/includes/changetags/ChangeTags.php
@@ -836,7 +836,10 @@ class ChangeTags {
                                                break;
                                        };
                                }
-                               $conds['ct_tag_id'] = $filterTagIds;
+
+                               if ( $filterTagIds !== [] ) {
+                                       $conds['ct_tag_id'] = $filterTagIds;
+                               }
                        } else {
                                $conds['ct_tag'] = $filter_tag;
                        }