REST API Schema: how to allows for both empty string or email string
even if I put in the schema ‘type’ => array(‘string’,’null’) I can’t POST a request with this field left empty, because WP always respond with rest_invalid_param and rest_invalid_email Actually, adding the ‘null’ there does not mean that any empty-ish values like ” and 0 will be allowed. It just means that an actual null value … Read more