From a6618fb828d531fdf3b234fd4ae85155a48fb3db Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Fri, 16 Mar 2007 22:05:15 +0000
Subject: [PATCH] Don't cast to string if empty.  Props donncha. fixes #3979
 for 2.0

git-svn-id: https://develop.svn.wordpress.org/branches/2.0@5053 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/classes.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 79f591014e..2af152fcde 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -1617,6 +1617,9 @@ class WP {
 				$this->query_vars[$wpvar] = $query_vars[$wpvar];
 			else
 				$this->query_vars[$wpvar] = '';
+
+			if ( !empty( $this->query_vars[$wpvar] ) )
+				$this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
 		}
 
 		if ( isset($error) )