Ticket #28146: 28146.2.diff

src/wp-admin/includes/export.php

@@ -86 +86 @@
         // Grab a snapshot of post IDs, just in case it changes during the export.
         $post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} $join WHERE $where" );
 
+        /**
+         * Filter exported post IDs.
+         *
+         * @since x.x.x
+         *
+         * @param array $post_ids Array of post IDs included in the export.
+         * @param array $args     Array of arguments to determine what posts to export.
+         */
+        $post_ids = apply_filters( 'export_post_ids', $post_ids, $args );
+
         /*
          * Get the requested terms ready, empty unless posts filtered by category
          * or all content.