request()->all() // All parameters
request()->get('param') // One parameter
request()->only('param1', 'param2') // Specific parameters
// insert other params in order to route params...
// route ex. ex/{id}/{name}
public function show(Request $request, $id, $name_param) {}
$request->input('name');
$request->input('user.name'); // fetch from user object
$data = $request->only(
'project_name',
'project_code',
'block_count',
'unit_count',
'contractor_name',
);