protected function userWentBackToPreviousStep()
    {
        return !$this->isAfterLastPage() && !$this->isFirstRequest() && $this->currentPage->getIndex() < $this->lastDisplayedPage->getIndex();
    }
protected function userWentBackToPreviousStep()
    {
        return !$this->isAfterLastPage() && !$this->isFirstRequest() && $this->currentPage->getIndex() < $this->lastDisplayedPage->getIndex();
    }
protected function userWentBackToPreviousStep ( ) { return ! $ this -> isAfterLastPage ( ) && ! $ this -> isFirstRequest ( ) && $ this -> currentPage -> getIndex ( ) < $ this -> lastDisplayedPage -> getIndex ( ) ; }
returns TRUE if the user went back to any previous step in the form.

@return boolean
returns TRUE if the user went back to any previous step in the form .