GX-Entwicklung

With PHP 8.1 if you have a product with the 'Soon' ribbon, you get an error on the start page of your shop if the product is shown there.¶

Steps to reproduce:

1. Install 4.7.1.0 beta1 under PHP 8.1.x
2. Edit a product thats shown on the start page.
3. Set the 'Date Available' property to something in the future.
4. Open the front page of the shop.

Expected result:
The shop should show the product as usual with the "Soon" ribbon.

Actual result:

The shop throws unexpected error regarding

CRITICAL: mktime(): Argument #1 ($hour) must be of type int, string given
src/GXMainComponents/SmartyPlugins/function.product_ribbons.php:250