From 1e90feef0e0cd7a2ad18ea9547ccedbe49a26991 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Thu, 13 Apr 2023 06:20:04 +0300
Subject: [PATCH] fix 881f8805bd behaving improperly

---
 classes/rssutils.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/classes/rssutils.php b/classes/rssutils.php
index 702675661..d1096cc85 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -1542,7 +1542,8 @@ class RSSUtils {
 						$match = @preg_match("/$reg_exp/iu", $author);
 						break;
 					case "tag":
-						array_push($tags, ''); // allow matching if there are no tags
+						if (count($tags) == 0)
+							array_push($tags, ''); // allow matching if there are no tags
 
 						foreach ($tags as $tag) {
 							if (@preg_match("/$reg_exp/iu", $tag)) {