From a701db272d157f089f5da6d7ac19f28455dd6a3a Mon Sep 17 00:00:00 2001
From: Mark Jaquith <markjaquith@git.wordpress.org>
Date: Mon, 7 Feb 2011 19:58:41 +0000
Subject: [PATCH] Skip authors that no longer exist when doing an export. props
 nacin. fixes #16479

git-svn-id: https://develop.svn.wordpress.org/trunk@17415 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/includes/export.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wp-admin/includes/export.php b/wp-admin/includes/export.php
index baa133f299..2efd0405af 100644
--- a/wp-admin/includes/export.php
+++ b/wp-admin/includes/export.php
@@ -241,6 +241,8 @@ function export_wp( $args = array() ) {
 		foreach ( (array) $results as $result )
 			$authors[] = get_userdata( $result->post_author );
 
+		$authors = array_filter( $authors );
+
 		foreach( $authors as $author ) {
 			echo "\t<wp:author>";
 			echo '<wp:author_id>' . $author->ID . '</wp:author_id>';