public function actionSubmit() { $team = Yii::$app->user->identity->id; $task = intval(Yii::$app->request->post("task")); $flag = Yii::$app->request->post("flag"); if (!Tasks::checkIfBruteforce($team, $task)) { if (Tasks::submitFlag($team, $task, $flag)) { return "accepted"; } else { return "flag is not valid"; } } else { return "Bruteforce attempt"; } }