Config::set('yourls','url1',trim($_POST['']));
Config::set('yourls','username1',trim($_POST['']));
Config::set('yourls','password1',trim($_POST['']));
Config::set('yourls','url1',trim($_POST['']));
Config::set('yourls','username1',trim($_POST['']));
Config::set('yourls','password1',trim($_POST['']));