From 881f8805bd359cb92112c6c82615b580a5a5eb80 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Thu, 6 Apr 2023 20:25:24 +0300
Subject: [PATCH] filters: allow matching on tags if there are no tags

---
 classes/rssutils.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/classes/rssutils.php b/classes/rssutils.php
index 385ab31e6..53ad694a8 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -1526,6 +1526,8 @@ class RSSUtils {
 						$match = @preg_match("/$reg_exp/iu", $author);
 						break;
 					case "tag":
+						array_push($tags, ''); // allow matching if there are no tags
+
 						foreach ($tags as $tag) {
 							if (@preg_match("/$reg_exp/iu", $tag)) {
 								$match = true;