From 7206dec1817a2c163762188682b30f3055a139c2 Mon Sep 17 00:00:00 2001
From: Arndt von Lucadou <info@lucadou.net>
Date: Tue, 28 Feb 2023 12:55:03 +0100
Subject: [PATCH] Fix php8 array access

---
 .../Isotope/Model/Attribute/AbstractAttributeWithOptions.php    | 2 +-
 .../modules/isotope/library/Isotope/Model/Product/Standard.php  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/system/modules/isotope/library/Isotope/Model/Attribute/AbstractAttributeWithOptions.php b/system/modules/isotope/library/Isotope/Model/Attribute/AbstractAttributeWithOptions.php
index 7299b3302a..616207c7d6 100644
--- a/system/modules/isotope/library/Isotope/Model/Attribute/AbstractAttributeWithOptions.php
+++ b/system/modules/isotope/library/Isotope/Model/Attribute/AbstractAttributeWithOptions.php
@@ -95,7 +95,7 @@ public function getOptionsForWidget(IsotopeProduct $objProduct = null)
                         foreach ($options as $option) {
                             $option['label'] = Translation::get($option['label']);
 
-                            if ($option['group']) {
+                            if ($option['group'] ?? false) {
                                 $group = $option['label'];
                                 continue;
                             }
diff --git a/system/modules/isotope/library/Isotope/Model/Product/Standard.php b/system/modules/isotope/library/Isotope/Model/Product/Standard.php
index 36fe5a0086..a909708faf 100644
--- a/system/modules/isotope/library/Isotope/Model/Product/Standard.php
+++ b/system/modules/isotope/library/Isotope/Model/Product/Standard.php
@@ -708,7 +708,7 @@ protected function generateProductOptionWidget($strField, &$arrVariantOptions, &
                         } else {
                             $blankOption = $k;
                         }
-                    } elseif (!\in_array($option['value'], $arrOptions) && !$option['group']) {
+                    } elseif (!\in_array($option['value'], $arrOptions) && !($option['group'] ?? false)) {
                         unset($arrField['options'][$k]);
                     }
                 }