Fix PHP8 warnings (#9306)

roundcube · Jan 20, 2024 · 3ba78d3 · 3ba78d3
1 parent c95865e
commit 3ba78d3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
@@ -1915,12 +1915,12 @@ private function _fetch_groups($search = null, $mode = 0, $vlv_page = null)
         }
 
         $base_dn    = $this->groups_base_dn;
-        $filter     = $this->prop['groups']['filter'];
+        $filter     = $this->prop['groups']['filter'] ?? null;
         $scope      = $this->prop['groups']['scope'] ?? 'sub';
         $name_attr  = !empty($this->prop['groups']['name_attr']) ? $this->prop['groups']['name_attr'] : 'cn';
         $email_attr = !empty($this->prop['groups']['email_attr']) ? $this->prop['groups']['email_attr'] : 'mail';
         $sort_attrs = (array) (!empty($this->prop['groups']['sort']) ? $this->prop['groups']['sort'] : $name_attr);
-        $sort_attr  = $sort_attrs[0];
+        $sort_attr  = array_first($sort_attrs) ?: $name_attr;
         $page_size  = 200;
 
         $ldap = $this->ldap;