Method: Adds a note for an expired subscription, or updates an expiring note to expired.

Method: We want to bubble up expiration notices when they cross certain age thresholds. PHP 5.2 doesn’t support constant arrays, so we do this.

Method: For each active subscription on this site, checks the expiration date and creates/updates/deletes notes.

Method: Hook all the things.

Method: Reacts to changes in the helper option.

Method: Things to do on admin_init.

Method: Checks the connection. Adds a note (as necessary) if there is no connection.