Customer_Meta::maybe_upgrade() – Override the Base class `maybe_upgrade()` routine to do a very unique and special check against the old option.
Customer_Meta::needs_initial_upgrade() – Whether the initial upgrade from the 1.0 database needs to be run.
Customer::update_user_meta() – Listen for calls to update_user_meta() for customers and see if we need to filter them.
Customers::maybe_upgrade() – Override the Base class `maybe_upgrade()` routine to do a very unique and special check against the old option.
Customers::needs_initial_upgrade() – Whether the initial upgrade from the 1.0 database needs to be run.
Discount::update_post_metadata() – Backwards compatibility filters for add/update_post_meta() calls on discounts.
edd_check_file_url_head() – Perform a head request on file URLs before attempting to download to check if they are accessible.
edd_clear_user_history_cache() – Flushes the current user’s purchase history transient when a payment status is updated
EDD_Customer::update_order_email_addresses() – Before 3.0, when the primary email address was changed, it would cascade through all previous purchases and update the email address associated with it. Since 3.0, that is no longer the case.
EDD_DB_Customers::update_customer_email_on_user_update() – Updates the email address of a customer record when the email on a user is updated
edd_email_tag_file_urls() – Email template tag: file_urls A plain-text list of download URLs for each download purchased
edd_email_tag_username() – Email template tag: username The buyer’s user name on the site, if they registered an account
