Requirements:

PHP 7.4+

WordPress and IPB/IPS in your localhost [Server]

How to install:

1. Download the file [.zip archive] from my GitHub.
2. Import "wp_api" to the "/public_html" or "/home" directory.
3. Copy the API Key in the "wp_api" file.
4. Add the script in the WordPress configuration file "wp-config.php".

   /**Enable Cookies*/
   define('COOKIE_DOMAIN', $_SERVER['HTTP_HOST'] );
   define( 'COOKIE_DOMAIN', '.your-site.com' );

5. Install the "WordPress SSO.xml" script as a plugin (manual) in your IPS.
6. Go to the Plugins page and edit the WP SSO (add your API from the "wp_api").
7. Done, now you have SSO Bringe between your WordPress Accounts and IPS Forum.
8. You can change the login module in IPS with redirection to "your-site.com/login".