This is a Single line field, see here: hidden link
What we are trying to do is to sort the field values from the post dates. Currently, this custom field is connected to a custom post type and we want to know if there is code that can sort the field values via post date.
If you go to this page: hidden link the post are being sorted via post date and we want the search field to do the same thing. (hidden link)
Unfortunately no you are not able to sort the post field itself by the post date. Reason being the sorting is done based on attributes of the field and not attributes of the post that it i connected to.
Of course this can be done with some custom code to curate the field terms but this would be out of the scope of what we can provide as support.
How about changing the Search Filter Field value from a custom field to Post Title or any relevant that we can sort the values via post date?
Unfortunately this still not work because as mentioned the fields are sorted by an attribute of the field, in this case the field is sorted by its value. Whatever the value is of that field this is what it will be sorted by.
Where the same arguments that you provide here can be used in the view filter function. This takes a bit of setup as you will need to setup the taxonomies as well as setup the numeric value of each taxonomy term so that they can be sorted correctly.
Using taxonomies will allow you to generate the dropdown filters however with the hook that I sent you should be able to customize how the items are displayed. Meaning you should be able to sort the terms by a term meta value.
