public function update($id)
{
$rules = array('url' => 'required');
$validator = Validator::make(Input::all(), $rules);
if ($validator->fails()) {
return Redirect::back()->withErrors($validator->getMessageBag());
}
$link = OnlineOrder::find($id);
$link->url = Input::get('url');
$link->save();
return Redirect::back();
}
