1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Pdf

    17  * @subpackage Actions

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: RecursivelyIteratableObjectsContainer.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /**

    24  * Iteratable objects container

    25  *

    26  * @package    Zend_Pdf

    27  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    28  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    29  */

    30 class Zend_Pdf_RecursivelyIteratableObjectsContainer implements RecursiveIterator, Countable

    31 {

    32     protected $_objects = array();

    33 

    34     public function __construct(array $objects) { $this->_objects = $objects; }

    35 

    36     public function current()      { return current($this->_objects);            }

    37     public function key()          { return key($this->_objects);                }

    38     public function next()         { return next($this->_objects);               }

    39     public function rewind()       { return reset($this->_objects);              }

    40     public function valid()        { return current($this->_objects) !== false;  }

    41     public function getChildren()  { return current($this->_objects);            }

    42     public function hasChildren()  { return count($this->_objects) > 0;          }

    43 

    44     public function count() { return count($this->_objects); }

    45 }