From 975811e9ac956b4355ae2120b0ed788f910eb52e Mon Sep 17 00:00:00 2001
From: henoheno <henoheno>
Date: Sat, 27 Dec 2008 20:25:30 +0900
Subject: [PATCH] delimiter_reverse(): Return FALSE with invalid argument.
 Added test cases

---
 spam/spam.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/spam/spam.php b/spam/spam.php
index d3d1080..2f4a809 100644
--- a/spam/spam.php
+++ b/spam/spam.php
@@ -1,5 +1,5 @@
 <?php
-// $Id: spam.php,v 1.203 2008/12/27 11:20:06 henoheno Exp $
+// $Id: spam.php,v 1.204 2008/12/27 11:25:30 henoheno Exp $
 // Copyright (C) 2006-2007 PukiWiki Developers Team
 // License: GPL v2 or (at your option) any later version
 //
@@ -118,7 +118,10 @@ function ksort_by_domain(& $array)
 {
 	$sort = array();
 	foreach(array_keys($array) as $key) {
-		$sort[delimiter_reverse($key)] = $key;
+		$reversed = delimiter_reverse($key);
+		if ($reversed !== FALSE) {
+			$sort[$reversed] = $key;
+		}
 	}
 	ksort($sort, SORT_STRING);
 
-- 
2.11.0