php - Inject values in $request->input() from controller Laravel 5.2 -

is there way in controller?

$request->input(['new_field_name' => 'new_val']);

i've googled lot, thing i've found related laravel's 4.x formatinput method, has been removed 5.x

i need inject specific field in $request when request has passed validation, save new record in db.

any clue? everyone!

method merge right tool this.

example of typical use case (saving slug given title):

$request->merge(['slug' => str::slug($request->title)]);

WIn