From cc81b6adf02b30e1bce47c99f2cae19a22395ac4 Mon Sep 17 00:00:00 2001
From: markjaquith <markjaquith@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Wed, 5 Jan 2011 22:26:55 +0000
Subject: [PATCH] Funnel unknown values to blank (standard) post format in
 set_post_format()

git-svn-id: http://svn.automattic.com/wordpress/trunk@17224 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/post.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/wp-includes/post.php b/wp-includes/post.php
index b4dea5939b..c4422bc35d 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -528,8 +528,7 @@ function set_post_format( $post, $format ) {
 
 	if ( !empty($format) ) {
 		$format = sanitize_key($format);
-		$empty_formats = array( 'post', 'standard' );
-		if ( in_array( $format, $empty_formats ) )
+		if ( 'standard' == $format || !in_array( $format, array_keys( get_post_format_slugs() ) ) )
 			$format = '';
 		else
 			$format = 'post-format-' . $format;