How to get All input of POST in Laravel

Question

I am using Laravel 5 and trying to get all input of POST variable in controller like this-

public function add_question()
{
    return Request::all();
}
<         


        

Answer 1

It should be at least this:

public function login(Request $loginCredentials){
     $data = $loginCredentials->all();
     return $data['username'];
}