In `WP_Posts_List_Table::inline_edit()`, check that `$post_formats[0]` is an array before traversing.

Props DrewAPicture.
Fixes #33025.


Built from https://develop.svn.wordpress.org/trunk@33667


git-svn-id: http://core.svn.wordpress.org/trunk@33634 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-posts-list-table.php

@@ -1473,13 +1473,13 @@ class WP_Posts_List_Table extends WP_List_Table {
 			<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
 			<option value="0"><?php echo get_post_format_string( 'standard' ); ?></option>
 			<?php
-
-			foreach ( $post_formats[0] as $format ) {
-				?>
-				<option value="<?php echo esc_attr( $format ); ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></option>
-				<?php
+			if ( is_array( $post_formats[0] ) ) {
+				foreach ( $post_formats[0] as $format ) {
+					?>
+					<option value="<?php echo esc_attr( $format ); ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></option>
+					<?php
+				}
 			}
-
 			?>
 		</select></label>
 	<?php

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33666';
+$wp_version = '4.4-alpha-33667';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.