How it works...
The new site will be saved in a database table called wp_blogs, along with its status. This process will create 10 new database tables in order to manage the new site. These tables will be prefixed with a numeric ID. So, you will see database tables starting with wp_2_ prefix for this site. These tables will handle the data for the new site while using the wp_users table in common, for all the sites.
In the site creation process, WordPress will check the availability of the site admin email in the database. If a user is not found, a new admin user will be created with the specified email address. The username and password reset link will be emailed to this email address. Then, the site administrator can log in and start configuring ...
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