How to assign javascript value to php variable without using cookie

Question

I am recieving data form controller in ajax. Then I should assign it to php variable but without using cookies. How to do it? My code:

$.ajax({
        url: '/controller/action',
        type: 'post',
        data: {
            id: id,
        },
        success: function(data){
            if (data) {
                //here I should assign data to php variable
            }
            if (!data) {
                console.log('no data');
            }
        }

     });

Answer 1

try using this demo code

<script>
if (data) {
    var a =data;
    <?php $abc = "<script>document.write(a)</script>"?>   
}
if (!data) {
    console.log('no data');
}
</script>
<?php
   echo $abc;
?>

Answer 2

you can create a link with JavaScript that includes a GET variable. ones clicked php gets involved

code : http://example.org/index.php?q1=blablabla

Php code:

if(isset($_GET['q1']) {$ff = $_GET['q1']}