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Returns a URL to confirm signup in a transactional and campaign mail. To override the default, resulting “Thank You” page displayed after a user clicks, create a new Hosted Page named “signup-confirm” in the “Other” type of Hosted Pages.

 string signup_confirm( mixed lists )

Returns a url that’s used to opt an email address into a list or lists. You must pass the lists as an array.


---> Creates an email verification url that will add the user to 'myList1', ''myList2', and 'myList3'.