- $exclude_post_types = '';
- $in_search_post_types = get_post_types( array('exclude_from_search' => false) );
- if ( ! empty( $in_search_post_types ) )
- $exclude_post_types .= $wpdb->prepare(" AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')");
-