фикс бага с warning при установке аттрибутов группировки

bitrix-expert · Feb 4, 2016 · ecfea8b · ecfea8b
1 parent 33a5478
commit ecfea8b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/traits/elements.php b/lib/traits/elements.php
@@ -548,7 +548,7 @@ public function addParamsGrouping($fields = [])
     {
         if (is_array($fields) && !empty($fields))
         {
-            $this->groupingParams = array_merge($this->groupingParams, $fields);
+            $this->groupingParams = array_merge(is_array($this->groupingParams) ? $this->groupingParams : [], $fields);
         }
     }