Explicit.php

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<?php
#require_once 'Zend/Pdf/Element.php';


#require_once 'Zend/Pdf/Destination.php';

abstract class Zend_Pdf_Destination_Explicit extends Zend_Pdf_Destination
{
    protected $_destinationArray;

    protected $_isRemote;

    public function __construct(Zend_Pdf_Element $destinationArray)
    {
        if ($destinationArray->getType() != Zend_Pdf_Element::TYPE_ARRAY) {
            #require_once 'Zend/Pdf/Exception.php';
            throw new Zend_Pdf_Exception('Explicit destination resource Array must be a direct or an indirect array object.');
        }

        $this->_destinationArray = $destinationArray;

        switch (count($this->_destinationArray->items)) {
            case 0:
                #require_once 'Zend/Pdf/Exception.php';
                throw new Zend_Pdf_Exception('Destination array must contain a page reference.');
                break;

            case 1:
                #require_once 'Zend/Pdf/Exception.php';
                throw new Zend_Pdf_Exception('Destination array must contain a destination type name.');
                break;

            default:
                // Do nothing
                break;
        }

        switch ($this->_destinationArray->items[0]->getType()) {
            case Zend_Pdf_Element::TYPE_NUMERIC:
                $this->_isRemote = true;
                break;

            case Zend_Pdf_Element::TYPE_DICTIONARY:
                $this->_isRemote = false;
                break;

            default:
                #require_once 'Zend/Pdf/Exception.php';
                throw new Zend_Pdf_Exception('Destination target must be a page number or page dictionary object.');
                break;
        }
    }

    public function isRemote()
    {
        return $this->_isRemote;
    }

    public function getResource()
    {
        return $this->_destinationArray;
    }
}