public function teacherDelete() { $v = Validator::make(Input::all(), ['id' => 'required|numeric']); if ($v->fails()) { return View::getBadRequstView($v->messages()); } else { if (Teacher::find(Input::get('id')) == null) { return View::getBadRequstView('no teach of this id. id is ' . Input::get('id')); } } Teacher::find(Input::get('id'))->delete(); return redirect('/admin/teacher'); }