$user = getCurrentUser(); // get the current user echo "User ID: " . $user->id; // get the user ID echo "Username: " . $user->username; // get the username echo "Email: " . $user->email; // get the emailIn the code example above, the function getCurrentUser() is used to get the current user object. The user object can then be used to retrieve various user details like ID, username, and email. The package or library that contains this function is not specified in the description. It could be a custom package or library developed by the application developer, or it could be provided by a third-party package or library such as Laravel or Symfony.