class pageflip {
  
  private $page;
  private $items = array();
  private $showitems;
  private $output;
  
  public function setPage($value) {
    if ($value <> "") {
      $this->page = $value;
    } else {
      $this->page = 1;
    }
  }
  private function getPage() {
    return $this->page;
  }
  
  public function setItems($value) {
    $this->items = $value;
  }
  private function getItems() {
    return $this->items;
  }
  
  public function setShowitems($value) {
    $this->showitems = $value;
  }
  private function getShowitems() {
    return $this->showitems;
  }
  
  private function setOutput($value) {
    $this->output = $value;
  }
  public function getOutput() {
    return $this->output;
  }
  
  public function __construct() {
    $itemscount = count($this->items);
    var_dump(count($this->items));
    $pages_available = ceil($itemscount/$this->showitems);
    $start = (($this->page * $this->showitems) - $this->showitems) + 1;
    $end = $this->page * $this->showitems;
    for ($i = $start; $i <= $end; $i++) {
      $index = ($i - 1);
      $html .= $this->items[$index];
    }
    
    // links generieren
    $html .= $this->generateLinks();
    $this->setOutput($html);
  }
}