From 6a4f2fbec8808fdaf6bd97b279209c406cee1a3d Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Mon, 23 Jan 2006 23:42:25 +0000
Subject: [PATCH] add_query_arg() fix from majelbstoat. fixes #2326

git-svn-id: http://svn.automattic.com/wordpress/trunk@3474 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/functions.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 2bd59fdd8..2fdf75bc0 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -2043,7 +2043,10 @@ add_query_arg(associative_array, oldquery_or_uri)
 function add_query_arg() {
 	$ret = '';
 	if ( is_array(func_get_arg(0)) ) {
-		$uri = @func_get_arg(1);
+		if ( @func_num_args() < 2 )
+			$uri = $_SERVER['REQUEST_URI'];
+		else
+			$uri = @func_get_arg(1);
 	} else {
 		if ( @func_num_args() < 3 )
 			$uri = $_SERVER['REQUEST_URI'];