I am going to split up my following question in two sections and make it more neutral, so people can look it up and find it if they have the same question, rather than making it too specific ...
I am trying to build a search for something location based and want people to be able to search either ZIP, Town, County or State in one single field.
post_type has multiple
meta_keys which I want to search for with one single search field. As example:
Now, what I want to do is, I want to search if EITHER or MORE of these fields contains the search value and want to query all applying posts, displaying the custom-posts meta_key value for Profession