I am creating a new schema for Software Application using the Offers Base and cannot save a price of 0.
Google requires this field and says
If the app is free of charge, set offers.price to 0.
Use a schema with 'Offer' field, enter 0 as price and save. Data is deleted due to
<?php
'#default_value' => !empty($value['price']) ? $value['price'] : '',
?>in SchemaOfferTrait.php
Numeric values should use isset or is_null instead of empty when 0 is allowed.
Fixed
1.0
Existing structures
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Please pardon me to reopen this issue but the very same problem is back when creating an event with a free entrance fee. When trying to put a zero for the price, the value does not appear in the source code.
The D10.3.1 website uses PHP 8.3.9 and it is equipped with the schema_metatag 3.0.2 release.