Several php8 errors

[a-v-l]

Isotope 2.8.10, Contao 4.13.15, PHP 8.1

Uncaught PHP Exception ErrorException: "Warning: Undefined array key "group"" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Model/Attribute/AbstractAttributeWithOptions.php line 98

if ($option['group']) {

fixed with:

if ($option['group'] ?? false) {

leads to:
Uncaught PHP Exception ErrorException: "Warning: Undefined array key "group"" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Model/Product/Standard.php line 711

} elseif (!\in_array($option['value'], $arrOptions) && !$option['group']) {

fixed with:

} elseif (!\in_array($option['value'], $arrOptions) && !($option['group'] ?? false)) {

[a-v-l]

a-v-l@7206dec

[a-v-l]

Uncaught PHP Exception ErrorException: "Warning: Trying to access array offset on value of type null" at vendor/isotope/isotope-core/system/modules/isotope_rules/library/Isotope/Rules.php line 261 (and 266)

Fixed in: a-v-l@f0e565f

[a-v-l]

Uncaught PHP Exception ErrorException: "Warning: Attempt to read property "id" on null" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/CheckoutStep/Address.php line 327

Fixed in: a-v-l@c52adb8

[a-v-l]

And putting products in the cart leads to several errors:

Uncaught PHP Exception ErrorException: "Warning: Undefined array key "membersOnly"" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/CartAddress.php line 110

Uncaught PHP Exception ErrorException: "Warning: Undefined array key "addressDetails"" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/CartAddress.php line 187

Uncaught PHP Exception ErrorException: "Warning: Undefined array key "tl_member"" at vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/CartAddress.php line 187

[aschempp]

thanks! closing this in favor of #2426