How to implement openapi authorization in vk.com on js and check on php

Question

PHP

How to implement authorization through openapi in vk.com in js and check in php? Thus - for example, I logged in, received data in js, after that I need to operate with this data in such a way that it would be possible to check the session in the server language (php)

Answer 1

With Ajax, send the session data to the php script and create your own. And checking the session through a php third-party javascript service is unlikely