From 7e818af01688ddff09d0fbc310b112d04270f94e Mon Sep 17 00:00:00 2001
From: jmunro <jmunro@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Date: Sun, 6 Oct 2002 23:29:14 +0000
Subject: [PATCH] fix for prev/next for those poor souls not using server side
 sorting. Just because sort=6 does not mean that the next index will be
 sequential.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@3781 7612ce4b-ef26-0410-bec9-ea0150e637f0
---
 src/read_body.php | 45 ++++++++++++++++-----------------------------
 1 file changed, 16 insertions(+), 29 deletions(-)

diff --git a/src/read_body.php b/src/read_body.php
index d9a7fbe7..fca049e6 100644
--- a/src/read_body.php
+++ b/src/read_body.php
@@ -52,20 +52,14 @@ function findNextMessage($passed_id) {
             }
         }
     } else {
-        if ($sort == 6) {
-            if ($passed_id != 1) {
-                $result = $passed_id - 1;
-            }
-        } else {
-            if (is_array($msort)) {
-                for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
-                    if ($passed_id == $msgs[$key]['ID']) {
-                        next($msort);
-                        $key = key($msort);
-                        if (isset($key)){
-                            $result = $msgs[$key]['ID'];
-                            break;
-                        }
+        if (is_array($msort)) {
+            for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
+                if ($passed_id == $msgs[$key]['ID']) {
+                    next($msort);
+                    $key = key($msort);
+                    if (isset($key)){
+                        $result = $msgs[$key]['ID'];
+                        break;
                     }
                 }
             }
@@ -95,21 +89,14 @@ function findPreviousMessage($numMessages, $passed_id) {
             }
         }
     } else {
-        if ($sort == 6) {
-            if ($passed_id != $numMessages) {
-                $result = $passed_id + 1;
-            }
-        } else {
-            if (is_array($msort)) {
-                for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
-                    if ($passed_id == $msgs[$key]['ID']) {
-                        prev($msort);
-                        $key = key($msort);
-                        if (isset($key)) {
-                            //echo $msort[$key];   /* Why again were we echoing here? */
-                            $result = $msgs[$key]['ID'];
-                            break;
-                        }
+        if (is_array($msort)) {
+            for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
+                if ($passed_id == $msgs[$key]['ID']) {
+                    prev($msort);
+                    $key = key($msort);
+                    if (isset($key)) {
+                        $result = $msgs[$key]['ID'];
+                        break;
                     }
                 }
             }
-- 
2.25.1