From 61d338abbd239301bfd5c8cb2a452e8e95c390b6 Mon Sep 17 00:00:00 2001
From: Chris Morgan <cmorgan@alum.wpi.edu>
Date: Wed, 26 Jul 2006 19:30:11 +0000
Subject: [PATCH] Comment::grab_comments() should use $iParentId when != NULL,
 not just !$iParentId as this prevents the use of $iParentId in cases where
 the value is 0.  Fixes duplicate display of every comment for an application
 version reported by Nick Law.

---
 include/comment.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/comment.php b/include/comment.php
index cd059ea..7e0916e 100644
--- a/include/comment.php
+++ b/include/comment.php
@@ -269,7 +269,9 @@ class Comment {
         $iParentId = mysql_real_escape_string($iParentId);
 
         $sExtra = "";
-        if($iParentId)
+
+        /* NOTE: we must compare against NULL here because $iParentId of 0 is valid */
+        if($iParentId != NULL)
             $sExtra = "AND parentId = '".$iParentId."' ";
 
         $sQuery = "SELECT from_unixtime(unix_timestamp(appComments.time), \"%W %M %D %Y, %k:%i\") as time, ".