Learn how to allow php sessions to carry over to subdomains

By admin|Computer, PHP

If you want to allow sessions on all the subdomains then here are 3 options.

Place this in your php.ini:

session.cookie_domain = ".example.com"

In your .htaccess:

php_value session.cookie_domain .example.com

As the first thing in your script:

ini_set('session.cookie_domain', '.example.com' );