Stuff

function wp_redirect($location, $status = 302) {
	global $is_IIS;

	$location = apply_filters('wp_redirect', $location, $status);

	if ( !$location ) // allows the wp_redirect filter to cancel a redirect
		return false; 

	$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
	$location = wp_kses_no_null($location);

	$strip = array('%0d', '%0a');
	$location = str_replace($strip, '', $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");
	}
}