In what part of the WordPress core does the users table and usermeta table get joined?
I’m not 100% what you are asking, it seems like several questions? But here goes: $meta_value = get_user_meta($user_id, $key, $single); For example: $first_name = get_user_meta($user_id, ‘first_name’, true); As for adding hooks I think this answer might be what you are looking for? How To Add Custom Form Fields To The User Profile Page? UPDATE Based … Read more