Fix for possible notice "Undefined offset: 0"

diff --git a/mod/friendica.php b/mod/friendica.php
index 80d5f34..4942e4c 100644 (file)
--- a/mod/friendica.php
+++ b/mod/friendica.php
@@ -28,20 +28,21 @@ function friendica_init(App $a)
                        $register_policy = $register_policies[$register_policy_int];
                }
 
-               $sql_extra = '';
-               if (Config::get('config', 'admin_nickname') !== null) {
-                       $sql_extra = sprintf(" AND `nickname` = '%s' ", DBA::escape(Config::get('config', 'admin_nickname')));
+               $condition = [];
+               $admin = false;
+               if (!empty(Config::get('config', 'admin_nickname'))) {
+                       $condition['nickname'] = Config::get('config', 'admin_nickname');
                }
                if (!empty(Config::get('config', 'admin_email'))) {
                        $adminlist = explode(",", str_replace(" ", "", Config::get('config', 'admin_email')));
-
-                       $r = q("SELECT `username`, `nickname` FROM `user` WHERE `email` = '%s' $sql_extra", DBA::escape($adminlist[0]));
-                       $admin = [
-                               'name' => $r[0]['username'],
-                               'profile'=> System::baseUrl() . '/profile/' . $r[0]['nickname'],
-                       ];
-               } else {
-                       $admin = false;
+                       $condition['email'] = $adminlist[0];
+                       $administrator = DBA::selectFirst('user', ['username', 'nickname'], $condition);
+                       if (DBA::isResult($administrator)) {
+                               $admin = [
+                                       'name' => $administrator['username'],
+                                       'profile'=> System::baseUrl() . '/profile/' . $administrator['nickname'],
+                               ];
+                       }
                }
 
                $visible_addons = Addon::getVisibleList();