How does the interaction between client-side jQuery requests and server-side PHP scripts affect session handling and page redirection?

When client-side jQuery requests are made to server-side PHP scripts, it can affect session handling and page redirection if not handled correctly. To ensure proper session handling, the PHP script should start the session, validate the session data, and regenerate the session ID if necessary. Additionally, for page redirection, the PHP script should use header() function to redirect the user to the desired page after processing the request. 

<?php
session_start();

// Validate session data
if(!isset($_SESSION['user_id'])) {
    // Redirect to login page if user is not logged in
    header("Location: login.php");
    exit();
}

// Regenerate session ID
session_regenerate_id();

// Process the request
// ...

// Redirect to another page
header("Location: another_page.php");
exit();
?>

Keywords

jQuery PHP session handling page redirection client-server interaction

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