From bd48b233a409f0b8651fa738ecccebcc2f00da38 Mon Sep 17 00:00:00 2001
From: David Maack <david.maack@arcor.de>
Date: Mon, 27 Feb 2017 09:32:00 +0100
Subject: [PATCH] More PHP7 compat

Fixed forgotten line, see https://github.com/menatwork/MultiColumnWizard/issues/193#issuecomment-282595356
---
 system/modules/multicolumnwizard/MultiColumnWizard.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/system/modules/multicolumnwizard/MultiColumnWizard.php b/system/modules/multicolumnwizard/MultiColumnWizard.php
index 59f7c9a..de9a1fb 100644
--- a/system/modules/multicolumnwizard/MultiColumnWizard.php
+++ b/system/modules/multicolumnwizard/MultiColumnWizard.php
@@ -886,7 +886,7 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
         // Input field callback
         if (is_array($arrField['input_field_callback']))
         {
-            if (!is_object($this->$arrField['input_field_callback'][0]))
+            if (!is_object($this->{$arrField['input_field_callback'][0]}))
             {
                 $this->import($arrField['input_field_callback'][0]);
             }