Ticket #20150: get_posts-exclude-more-than-1-author.patch

wp-includes/query.php

@@ -2279 +2279 @@
                                $eq = '!=';
                                $andor = 'AND';
                                $q['author'] = explode('-', $q['author']);
-                               $q['author'] = (string)absint($q['author'][1]);
+                               $q['author'] = $q['author'][1];
                        } else {
                                $eq = '=';
                                $andor = 'OR';