From edee280e393606315e13be5417aa804ca796fd0f Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 8 May 2013 16:57:58 +0000
Subject: [PATCH] Avoid warning in gallery_shortcode() when called outside of
 post context.

Props kovshenin
fixes #24272


git-svn-id: https://develop.svn.wordpress.org/trunk@24198 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/media.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/media.php b/wp-includes/media.php
index 52037b959a..1addcdcc3e 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -697,7 +697,7 @@ function gallery_shortcode($attr) {
 	extract(shortcode_atts(array(
 		'order'      => 'ASC',
 		'orderby'    => 'menu_order ID',
-		'id'         => $post->ID,
+		'id'         => $post ? $post->ID : 0,
 		'itemtag'    => 'dl',
 		'icontag'    => 'dt',
 		'captiontag' => 'dd',