From fbbb292ef051644dd6cd81231531249ca2c10d18 Mon Sep 17 00:00:00 2001
From: Uwe Tews <uwe.tews@gmail.com>
Date: Thu, 19 Apr 2018 16:04:41 +0200
Subject: [PATCH] update access to parent object

---
 .../smarty_internal_method_gettemplatevars.php           | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/libs/sysplugins/smarty_internal_method_gettemplatevars.php b/libs/sysplugins/smarty_internal_method_gettemplatevars.php
index 1759646f..510bab0f 100644
--- a/libs/sysplugins/smarty_internal_method_gettemplatevars.php
+++ b/libs/sysplugins/smarty_internal_method_gettemplatevars.php
@@ -53,7 +53,7 @@ class Smarty_Internal_Method_GetTemplateVars
                     }
                 }
                 // not found, try at parent
-                if ($searchParents) {
+                if ($searchParents && isset($_ptr->parent)) {
                     $_ptr = $_ptr->parent;
                 } else {
                     $_ptr = null;
@@ -93,7 +93,7 @@ class Smarty_Internal_Method_GetTemplateVars
                 return $_ptr->tpl_vars[ $varName ];
             }
             // not found, try at parent
-            if ($searchParents) {
+            if ($searchParents && isset($_ptr->parent)) {
                 $_ptr = $_ptr->parent;
             } else {
                 $_ptr = null;
@@ -103,14 +103,11 @@ class Smarty_Internal_Method_GetTemplateVars
             // found it, return it
             return Smarty::$global_tpl_vars[ $varName ];
         }
-        /* @var \Smarty $smarty */
-        $smarty = isset($data->smarty) ? $data->smarty : $data;
-        if ($smarty->error_unassigned && $errorEnable) {
+        if ($errorEnable && $data->_getSmartyObj()->error_unassigned) {
             // force a notice
             $x = $$varName;
         }
 
         return new Smarty_Undefined_Variable;
     }
-
 }
\ No newline at end of file