Continued:

- converted multiple single-line comments into one multi-line comment (please
  stop abusing programming languages!)
- added more TODO tags for type-hints (upcoming rewrite)
- opps, one space was only fixed in develop branch, not in this PR branch

Signed-off-by: Roland Haeder <roland@mxchange.org>

src/Protocol/DFRN.php

@@ -2108,6 +2108,11 @@ class DFRN
 
 		logger('Contacts are updated.');
 
+		/// @TODO decide to use dbm::is_result() here
+		if ($x === false) {
+			return false;
+		}
+
 		// update items
 		// This is an extreme performance killer
 		Item::update(['owner-link' => $relocate["url"]], ['owner-link' => $old["url"], 'uid' => $importer["importer_uid"]]);