From f96d26ff97e05ad539d3de724eafec31a189443d Mon Sep 17 00:00:00 2001
From: Dion Hulse <dd32@git.wordpress.org>
Date: Sat, 2 Oct 2010 04:02:24 +0000
Subject: [PATCH] Retire IIS 3,4,5 Set-Cookie redirection workaround. See
 [2436] for original implementation. See #10187

git-svn-id: https://develop.svn.wordpress.org/trunk@15682 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/pluggable.php | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index e4073a7fd8..ba13617835 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -861,9 +861,8 @@ endif;
 
 if ( !function_exists('wp_redirect') ) :
 /**
- * Redirects to another page, with a workaround for the IIS Set-Cookie bug.
+ * Redirects to another page.
  *
- * @link http://support.microsoft.com/kb/q176113/
  * @since 1.5.1
  * @uses apply_filters() Calls 'wp_redirect' hook on $location and $status.
  *
@@ -872,8 +871,6 @@ if ( !function_exists('wp_redirect') ) :
  * @return bool False if $location is not set
  */
 function wp_redirect($location, $status = 302) {
-	global $is_IIS;
-
 	$location = apply_filters('wp_redirect', $location, $status);
 	$status = apply_filters('wp_redirect_status', $status, $location);
 
@@ -882,13 +879,9 @@ function wp_redirect($location, $status = 302) {
 
 	$location = wp_sanitize_redirect($location);
 
-	if ( $is_IIS ) {
-		header("Refresh: 0;url=$location");
-	} else {
-		if ( php_sapi_name() != 'cgi-fcgi' )
-			status_header($status); // This causes problems on IIS and some FastCGI setups
-		header("Location: $location", true, $status);
-	}
+	if ( php_sapi_name() != 'cgi-fcgi' )
+		status_header($status); // This causes problems on IIS and some FastCGI setups
+	header("Location: $location", true, $status);
 }
 endif;