tag filter action - block empty tags

diff --git a/functions.php b/functions.php
index dbc43235847ae4b6453eb1b33778b3c19504cb00..a65a1a0091b32da9e53a8527fe001c03c99011d2 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -762,7 +762,7 @@
                                        $manual_tags = trim_array(split(",", $filter_param));
 
                                        foreach ($manual_tags as $tag) {
-                                               if (!preg_match("/^[0-9]*$/", $tag)) {
+                                               if (!preg_match("/^[0-9]*$/", $tag) && $tag != '') {
                                                        array_push($entry_tags, $tag);
                                                }
                                        }