Gdn::router PHP Method

    public static function router()
    {
        return self::factory(self::AliasRouter);
    }

 /**
  * Custom finalization.
  *
  * @throws Exception
  */
 public function afterImport()
 {
     // Set up the routes to redirect from their older counterparts.
     $Router = Gdn::router();
     // Categories
     $Router->SetRoute('forumdisplay\\.php\\?f=(\\d+)', 'categories/$1', 'Permanent');
     $Router->SetRoute('archive\\.php/f-(\\d+)\\.html', 'categories/$1', 'Permanent');
     // Discussions & Comments
     $Router->SetRoute('showthread\\.php\\?t=(\\d+)', 'discussion/$1', 'Permanent');
     //$Router->SetRoute('showthread\.php\?p=(\d+)', 'discussion/comment/$1#Comment_$1', 'Permanent');
     //$Router->SetRoute('showpost\.php\?p=(\d+)', 'discussion/comment/$1#Comment_$1', 'Permanent');
     $Router->SetRoute('archive\\.php/t-(\\d+)\\.html', 'discussion/$1', 'Permanent');
     // Profiles
     $Router->SetRoute('member\\.php\\?u=(\\d+)', 'profile/$1/x', 'Permanent');
     $Router->SetRoute('usercp\\.php', 'profile', 'Permanent');
     $Router->SetRoute('profile\\.php', 'profile', 'Permanent');
     // Other
     $Router->SetRoute('attachment\\.php\\?attachmentid=(\\d+)', 'discussion/download/$1', 'Permanent');
     $Router->SetRoute('search\\.php', 'discussions', 'Permanent');
     $Router->SetRoute('private\\.php', 'messages/all', 'Permanent');
     $Router->SetRoute('subscription\\.php', 'discussions/bookmarked', 'Permanent');
     // Make different sizes of avatars
     $this->ProcessAvatars();
     // Prep config for ProfileExtender plugin based on imported fields
     $this->ProfileExtenderPrep();
     // Set guests to System user to prevent security issues
     $SystemUserID = Gdn::userModel()->GetSystemUserID();
     $this->SQL->update('Discussion')->set('InsertUserID', $SystemUserID)->where('InsertUserID', 0)->put();
     $this->SQL->update('Comment')->set('InsertUserID', $SystemUserID)->where('InsertUserID', 0)->put();
 }