frontend\controllers\IController::actionSendEmail PHP Method

    public function actionSendEmail()
    {
        $emailBindRequestForm = new EmailBindRequestForm();
        Yii::$app->response->format = Response::FORMAT_JSON;
        $emailBindRequestForm->email = Yii::$app->session['emailBind'];
        if ($emailBindRequestForm->validate() && $emailBindRequestForm->sendEmail()) {
            return ['status' => 'ok'];
        }
        return ['status' => 'err', 'msg' => $emailBindRequestForm->getFirstError('email')];
    }