How to allow PHP sessions to carry over to subdomains?

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Sometimes, we want to allow PHP sessions to carry over to subdomains.

In this article, we’ll look at how to allow PHP sessions to carry over to subdomains.

How to allow PHP sessions to carry over to subdomains?

To allow PHP sessions to carry over to subdomains, we can make some setting changes.

In php.ini, we can write

session.cookie_domain = ".example.com"

Another way is to change the .htaccess file by writing:

php_value session.cookie_domain .example.com

Or in our script, we write

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

Another way is to change our php-fpm pool configuration for our site by writing

php_value[session.cookie_domain] = .example.com

Conclusion

To allow PHP sessions to carry over to subdomains, we can make some setting changes.

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