Ticket #47777: patch.diff

src/wp-includes/post.php

@@ -6315 +6315 @@
 
         $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type );
 
-        $lastpostdate = get_lastpostdate( $timezone );
+        $lastpostdate = get_lastpostdate( $timezone, $post_type );
         if ( $lastpostdate > $lastpostmodified ) {
                 $lastpostmodified = $lastpostdate;
         }
@@ -6328 +6328 @@
          * @param string $lastpostmodified Date the last post was modified.
          * @param string $timezone         Location to use for getting the post modified date.
          *                                 See get_lastpostdate() for accepted `$timezone` values.
+         * @param string $post_type        The post type to check.
          */
-        return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone );
+        return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type );
 }
 
 /**