UserManager::passwordRecovery PHP Method

    public function passwordRecovery($email)
    {
        Yii::app()->eventManager->fire(UserEvents::BEFORE_PASSWORD_RECOVERY, new UserPasswordRecoveryEvent($email));
        if (!$email) {
            return false;
        }
        $user = User::model()->active()->find('email = :email', [':email' => $email]);
        if (null === $user) {
            return false;
        }
        $transaction = Yii::app()->getDb()->beginTransaction();
        try {
            if (($token = $this->tokenStorage->createPasswordRecoveryToken($user)) !== false) {
                Yii::app()->eventManager->fire(UserEvents::SUCCESS_PASSWORD_RECOVERY, new UserPasswordRecoveryEvent($email, $user, $token));
                $transaction->commit();
                return true;
            }
            throw new CException(Yii::t('UserModule.user', 'Password recovery error.'));
        } catch (Exception $e) {
            $transaction->rollback();
            Yii::app()->eventManager->fire(UserEvents::FAILURE_PASSWORD_RECOVERY, new UserPasswordRecoveryEvent($email, $user));
            return false;
        }
    }