From 1316556a7a8f8166b947cc2ce477c67d82a1ebb9 Mon Sep 17 00:00:00 2001
From: Roland Gruber <post@rolandgruber.de>
Date: Sat, 25 Sep 2004 13:38:56 +0000
Subject: [PATCH] added additional parameter checks

---
 lam/lib/lists.inc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lam/lib/lists.inc b/lam/lib/lists.inc
index effb35f5..84a8a644 100644
--- a/lam/lib/lists.inc
+++ b/lam/lib/lists.inc
@@ -69,6 +69,8 @@ function listSort($sort, $attr_array, $info) {
 		}
 	}
 
+	if (!is_array($attr_array)) return $info;
+	if (!is_string($sort)) return $info;
 	// sort and return account list
 	usort($info, "cmp_array");
 	return $info;