In PHP, what methods can be used to ensure consistent user experience and prevent issues with cookies or sessions when managing multiple domains pointing to the same content?

When managing multiple domains pointing to the same content, it's important to ensure a consistent user experience and prevent issues with cookies or sessions. One way to achieve this is by setting the cookie domain to a common base domain that all the domains share. This allows the cookies to be accessible across all domains, maintaining session consistency for users. 

<?php
// Set the cookie domain to a common base domain
$baseDomain = '.example.com';
session_set_cookie_params(0, '/', $baseDomain);
session_name('my_session');
session_start();
?>

Keywords

PHP cookies sessions multiple domains consistent user experience

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