I've got a custom post type (Places), and that post type has a custom field to indicate that the Place is a participant in a holiday-season promotion. I would like to create a setting somewhere so that I could set the begin and end date of the promotion, and then be able to show or hide that field.
For now I have to manually edit templates when the promotion begins and ends, but I'd prefer to adjust it from a settings page in the admin screen. Is this possible?
if ( is_place() ) : if ( is_date( wp_setting( 'promotion_dates' ) ) : echo 'Promotion'; endif; endif;