public function inscSave(Request $request) { $ids = explode('&', $request['allData'], -1); ActivityParticipant::where('id_activity', '=', $ids[0])->delete(); $i = 1; $tam = count($ids); for (; $i < $tam; $i++) { ActivityParticipant::create(['id_activity' => $ids[0], 'id_participant' => $ids[$i]]); } return $this->same_insc($ids[0]); }