How to clear a PHP session using Jquery/Javascript?

Question

Just want to ask if is it possible to clear a PHP session using a jquery or javascript process? Because what I want to do is to clear the PHP session using a dialog box. If

Answer 1

Simply put: You can't, directly.

PHP is a server-side language while javascript is a client-side one, which means that there's no other connection between them other than the document you receive and interacts with you. The sessions are stored and managed by the server.

You can, however, as War10ck suggests, call to a server-side script that clears the session. Something like this:

PHP:

HTML/javascript:

Log out

Or even performing an asynchronous call:

function logout() {
    var xhr = new XMLHttpRequest();
    xhr.onload = function() {
        document.location = 'continue.php';
    }
    xhr.open('GET', 'logout.php', true);
    xhr.send();
}