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();
}
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Answer 1

its better to use the Dependency than to attache it to the class.

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

or if you prefer using input variable use

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

you can now use the global request method provided by laravel

request()

for example to get the first_name of a form input.

request()->first_name
// or
request('first_name')