I have a login system i created that works like any other login (user enters password/username, clicks login, values are compared and if all checks out, cookie is created and they are logged in) I've now been asked that on login, in addition to doing this, the username and some other details such as the users first/last name/email address are posted to a seperate site to also log them into the other site (which i have no control over at present). IS this possible to post to 2 urls at the same time? would i have to post the details on my successful login page or can i do it at the same time as my login button is clicked. any help and advice greatly appreciated. also is it possible to encrypt what i pass to the second site?
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