Embeds: Change attachment metadata condition to prevent a warning in the embeds template.

Merges [36123] to the 4.4 branch.
Fixes #35237.

Built from https://develop.svn.wordpress.org/branches/4.4@36147


git-svn-id: http://core.svn.wordpress.org/branches/4.4@36113 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/embed-template.php

@@ -50,7 +50,7 @@ if ( have_posts() ) :
 			$image_size   = 'full'; // Fallback.
 
 			$meta = wp_get_attachment_metadata( $thumbnail_id );
-			if ( is_array( $meta ) ) {
+			if ( ! empty( $meta['sizes'] ) ) {
 				foreach ( $meta['sizes'] as $size => $data ) {
 					if ( $data['width'] / $data['height'] > $aspect_ratio ) {
 						$aspect_ratio = $data['width'] / $data['height'];

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4.1-alpha-36146';
+$wp_version = '4.4.1-alpha-36147';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.