public function prevUrl()
    {
        $prev = $this->current() - 1;
        return ($prev > 0 && $prev < $this->pages()) ? $this->parseUrl($prev) : "";
    }
public function prevUrl()
    {
        $prev = $this->current() - 1;
        return ($prev > 0 && $prev < $this->pages()) ? $this->parseUrl($prev) : "";
    }
public function prevUrl ( ) { $ prev = $ this -> current ( ) - 1 ; return ( $ prev > 0 && $ prev < $ this -> pages ( ) ) ? $ this -> parseUrl ( $ prev ) : "" ; }
Get the previous page url if it exists

@return string
Get the previous page url if it exists