Ticket #22758: menu_order.patch

wp-includes/post.php

@@ -2941 +2941 @@
 
         wp_transition_post_status($data['post_status'], $previous_status, $post);
 
+        // Set menu_order of attached images in Gallery
+        $regex_pattern = get_shortcode_regex();
+        preg_match ('/'.$regex_pattern.'/s', stripslashes($data['post_content']), $regex_matches);
+        if ( $regex_matches ) {
+                if ($regex_matches[2] == 'gallery') {
+                        $attribure_str = str_replace(" ", "&", trim ($regex_matches[3]));
+                        $attribure_str = str_replace('"', '', $attribure_str);
+                        $attributes = wp_parse_args($attribure_str);
+                }
+                $ids = explode(',', $attributes[ids]);
+                $images = get_posts( array(
+                        'post_parent' => $post_ID,
+                        'numberposts' => '-1',
+                        'post_status' => 'inherit',
+                        'post_type' => 'attachment',
+                        'post_mime_type' => 'image',
+                        'orderby' => 'menu_order ID',
+                        'order' => 'ASC'
+                ) );
+                if ( $images ) {
+                        foreach ( $images as $attachment_id => $attachment ) {
+                                if (in_array($attachment->ID, $ids)) {
+                                        $update_post = array();
+                                        $update_post['ID'] = $attachment->ID;
+                                        $update_post['menu_order'] = array_search($attachment->ID, $ids);
+                                        wp_update_post( $update_post );
+                                };
+                        }
+                }
+        }
+
         if ( $update ) {
                 do_action('edit_post', $post_ID, $post);
                 $post_after = get_post($post_ID);