Using existing session data from a non-CI website in a CodeIgniter website

Cookie domain, for example 'www.php.net'.

To make cookies visible on all subdomains then the domain must be prefixed with a dot like '.php.net'.

Good reads, but may not be secure you decide.

Sharing session data across domains with PHP

Using PHP sessions across subdomains

What did you Try? What did you Get? What did you Expect?

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