From d8505f4469e9940528dd1f9ccd9fa2d0e41f3fda Mon Sep 17 00:00:00 2001
From: discomrade <83621080+discomrade@users.noreply.github.com>
Date: Sun, 16 Jun 2024 14:43:25 +0000
Subject: [PATCH] [tag_history] prevent tag aliasing for correctness and huge
 performance improvement

---
 ext/tag_history/theme.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ext/tag_history/theme.php b/ext/tag_history/theme.php
index 7f428ff4..93a7c5fe 100644
--- a/ext/tag_history/theme.php
+++ b/ext/tag_history/theme.php
@@ -135,9 +135,9 @@ class TagHistoryTheme extends Themelet
         $th = new TagHistory();
         $pt = $th->get_previous_tags($image_id, $current_id);
         if ($pt) {
-            $previous_tags = Tag::explode($pt["tags"]);
+            $previous_tags = explode(" ", $pt["tags"]);
         }
-        $current_tags = Tag::explode($current_tags);
+        $current_tags = explode(" ", $current_tags);
         if ($pt) {
             $tags = array_unique(array_merge($current_tags, $previous_tags));
             sort($tags);