$v = Validator::make($this->request->all(), [
'type' => 'required|in:1,2,3,4',
]);
$v = Validator::make($this->request->all(), [
'type' => 'required|in:1,2,3,'.$peremennaya,
]);
$v = Validator::make($this->request->all(), [
'type' => "required|in:1,2,3,{$peremennaya}",
]);
$v = Validator::make($this->request->all(), [
'type' => "required|in:".implode(',', $massiv_peremennih),
]);