Help with Vkontakte Open API?

Question

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Guys, please tell me how to get the data of the user who logged in to the site using the VK.auth method on the site on the server.
The user logs in to the site. On the client side, I have his data. But how to get them on the server? The cookie that VKontakte forms allows you to determine that the user is logged in and transmits his ID. What's next?
Thank you!

Answer 1

devtown.ru/blog/code/34.html or habrahabr.ru/qa/5408/

Answer 2

send AJAX. like this - api.jquery.com/jQuery.post/