public function updateScript() { $tutors = Tutor::all(); foreach ($tutors as $tutor) { if ($tutor->districts != null) { $districts = explode(',', $tutor->districts); foreach ($districts as $district) { TutorDistrict::firstOrCreate(['tutor_id' => $tutor->id, 'district_id' => $district]); } } } return "Done"; }