Are there any security considerations to keep in mind when transferring a session to a subdomain in PHP?

When transferring a session to a subdomain in PHP, it is important to consider security implications such as session hijacking and cross-site scripting attacks. To mitigate these risks, you should ensure that the session cookie is set to be accessible only to the subdomain and its subdomains, and that it is transmitted over HTTPS to encrypt the data. 

// Set session cookie parameters to be accessible only to the subdomain and its subdomains
session_set_cookie_params(0, '/', '.example.com', true, true);

// Start the session
session_start();

Keywords

session subdomain security PHP transfer

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