how to pass variable value from javascript to php?

Question

PHP

How to get the value of a variable through callback

<script src="https://api.vk.com/.......?callback=MUSIC"></script>
<?php 
действие с полученной переменной
?>

How to get MUSIC value in php, ?

Answer 1

MUSIC is the name of your function in the global context. That is, when the request is executed, a dynamically created script will appear in your document, in which the MUSIC function will be called with the passing of the arguments specified in the same script.
Question - how are you going to find out the content of a function written in a client script in PHP?

Answer 2

Using the normal API. There is a normal REST API, jsonp is only needed for older browsers.