Ticket #25584: 25584.3.diff

src/wp-admin/includes/ms.php

@@ -173 +173 @@
                 clean_blog_cache( $blog );
         }
 
+        /**
+         * Fires after the site is deleted from the network.
+         *
+         * @since 4.8.0
+         *
+         * @param int  $blog_id The site ID.
+         * @param bool $drop    True if site's table should be dropped. Default is false.
+         */
+        do_action( 'deleted_blog', $blog_id, $drop );
+
         if ( $switch )
                 restore_current_blog();
 }