While currently the is_post_id attribute is to indicate if a primitive numeric value should be used as an ID to a post type object, actual Objects (of WP_Post and derivates) and arrays of said objects are not properly detected and handled.
When an array of Objects with ID field or an Object with ID field is passed to the field parser they are not properly recognized.
Objects containing and ID field as well as arrays of these objects (even nested) should be parsed and the get_the_title(ID) should be returned as the value.
Describe the bug
While currently the is_post_id attribute is to indicate if a primitive numeric value should be used as an ID to a post type object, actual Objects (of WP_Post and derivates) and arrays of said objects are not properly detected and handled.
When an array of Objects with ID field or an Object with ID field is passed to the field parser they are not properly recognized.
Reference ticket.
Expected behavior
Objects containing and ID field as well as arrays of these objects (even nested) should be parsed and the
get_the_title(ID)should be returned as the value.