From c1c56ed52802fffb61fd7a680eceec8eb74808f1 Mon Sep 17 00:00:00 2001
From: Retro_Guy <retro.guy@rocksolidbbs.com>
Date: Tue, 8 Aug 2023 05:54:15 -0700
Subject: [PATCH] Avoid crash in thread.inc.php when running huge expire.

---
 Rocksolid_Light/rocksolid/lib/thread.inc.php | 4 +++-
 Rocksolid_Light/rslight/scripts/expire.php   | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Rocksolid_Light/rocksolid/lib/thread.inc.php b/Rocksolid_Light/rocksolid/lib/thread.inc.php
index a6743ca..bcb2cbf 100644
--- a/Rocksolid_Light/rocksolid/lib/thread.inc.php
+++ b/Rocksolid_Light/rocksolid/lib/thread.inc.php
@@ -147,7 +147,9 @@ function thread_cache_removearticle($group,$id) {
       // now lets rebuild the tree...
       if(isset($value->answers))
         foreach ($value->answers as $key => $answer) {
-          $thread[$answer]->isAnswer=false;
+            if(isset($thread[$answer])) {
+              $thread[$answer]->isAnswer=false;
+            }
         }
       if(isset($value->references))
         foreach ($value->references as $reference) {
diff --git a/Rocksolid_Light/rslight/scripts/expire.php b/Rocksolid_Light/rslight/scripts/expire.php
index 43f0e40..26be9ad 100755
--- a/Rocksolid_Light/rslight/scripts/expire.php
+++ b/Rocksolid_Light/rslight/scripts/expire.php
@@ -76,7 +76,9 @@ file_put_contents($logfile, "\n".format_log_date()." ".$config_name." ".$group."
         echo "Expiring: ".$break[4]." IN: ".$group." #".$break[0]."\r\n";
         file_put_contents($logfile, "\n".format_log_date()." ".$config_name." ".$group." Expiring: ".$break[4], FILE_APPEND);
       // Remove article from tradspool:  
-        unlink($spooldir.'/articles/'.$grouppath.'/'.$break[0]);
+        if(is_file($spooldir.'/articles/'.$grouppath.'/'.$break[0])) {
+            unlink($spooldir.'/articles/'.$grouppath.'/'.$break[0]);
+        }
 		thread_cache_removearticle($group,$break[4]);
         continue;
       } else {