Using WordPress ‘restore_current_blog()’ PHP function
Restores the current blog, after calling switch_to_blog() .
WordPress
Using WordPress ‘request_filesystem_credentials()’ PHP function
Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem.
Using WordPress ‘remove_shortcode()’ PHP function
The `remove_shortcode()` function in WordPress is used to remove a shortcode from your site by calling the function with the shortcode tag as an argument
Using WordPress ‘remove_permastruct()’ PHP function
The `remove_permastruct()` function in WordPress allows you to remove a custom permalink structure that was previously added using the `add_permastruct()` function