From: Michael M Slusarz <slusarz@curecanti.org>
Date: Tue, 7 Sep 2010 21:09:32 +0000 (-0600)
Subject: Short circuit if indices list is empty
X-Git-Url: https://git.internetallee.de/?a=commitdiff_plain;h=5fbd5d18ad662a2bd353c10b7f7e92c6b55168d7;p=horde.git

Short circuit if indices list is empty
---

diff --git a/imp/lib/Imap/Thread.php b/imp/lib/Imap/Thread.php
index aa09f910d..b7c9cd329 100644
--- a/imp/lib/Imap/Thread.php
+++ b/imp/lib/Imap/Thread.php
@@ -55,6 +55,10 @@ class IMP_Imap_Thread
         $thread_level = $tree = array();
         $t = &$this->_thread;
 
+        if (empty($indices)) {
+            return $tree;
+        }
+
         $indices = array_intersect($t->messageList($sortdir), $indices);
 
         /* If starting in the middle of a thread, the threadLevel tree needs