/** * Signs user up. * * @return User|null the saved model or null if saving fails */ public function signup() { if ($this->validate()) { $user = new UserFrontend(); $user->status = UserFrontend::STATUS_CONFIRM_NEED; $user->username = $this->username; $user->email = $this->email; $user->setPassword($this->password); $user->generateAuthKey(); if ($user->save()) { return $user; } else { Yii::$app->getSession()->setFlash('error', 'User not added'); } } return null; }