1

app/JsonRpc/ClientService.php

@@ -110,6 +110,9 @@ class ClientService implements ClientServiceInterface
                     var_dump($value->category_id, 'value->category_id');
                 }
                 $cat_1st_arr[$value->pid][] = $value->category_id;
+                if (empty($cat_1st_arr[$value->category_id])) {
+                    $cat_1st_arr[$value->category_id] = [];
+                }
             }
         }
         var_dump($cat_1st_arr, 'cat_1st_arr');