$table->add(null, $input_user->show(get_input_value('_user', RCUVE_INPUT_POST)));
$post_user = get_input_value('_user', RCUVE_INPUT_POST);if (!empty($post_user)) $table->add(null, $input_user->show($post_user));else $table->add(null, $input_user->show($_GET['_user']));
ex : http://mywebsite/mail/?username=foo