public function saveToDb(Request $request) {

    $data = $request->all();

    if($data) {
        Form::insertData($data);
    }

    return view('welcome');
}

public function insertData($formData) {
    DB::EnableQueryLog();

    $sql = DB::table('form')->insert(['formKey' => 'testForm2', 'formData' => $formData]);

    return $sql;
}