How to solve `SameSite` attribute

Question

I looked at the console and noticed these warnings

A cookie associated with a cross-site resource at http://google.com/ was set without the SameSite a

Answer 1

A solution that worked for me:

If you are using PHP, add this line to the beginning

header('Set-Cookie: cross-site-cookie=name; SameSite=None; Secure');

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Update Here is a useful resource including examples in JavaScript, Node.js, PHP, and Python
https://github.com/GoogleChromeLabs/samesite-examples