From e7dde1f0860e800be5f1e1e23fb66867a96e1f08 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 29 Jan 2010 13:51:23 +0000
Subject: - small optimization

---
 program/steps/mail/show.inc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'program/steps/mail')

diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 3998e6211..33e87d5bc 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -123,10 +123,11 @@ if ($_GET['_uid']) {
 
       $MESSAGE->index = array_search($IMAP->get_id($MESSAGE->uid), $a_msg_index);
 
-      $prev = isset($a_msg_index[$MESSAGE->index-1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index-1]) : -1 ;
-      $first = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[0]) : -1;
-      $next = isset($a_msg_index[$MESSAGE->index+1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index+1]) : -1 ;
-      $last = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[count($a_msg_index)-1]) : -1;
+      $count = count($a_msg_index);
+      $prev = isset($a_msg_index[$MESSAGE->index-1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index-1]) : -1;
+      $first = $count > 1 ? $IMAP->get_uid($a_msg_index[0]) : -1;
+      $next = isset($a_msg_index[$MESSAGE->index+1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index+1]) : -1;
+      $last = $count > 1 ? $IMAP->get_uid($a_msg_index[$count-1]) : -1;
       }
 
     if ($prev > 0)
-- 
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