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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Paginator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see Zend_Paginator_Adapter_Interface
*/
/**
* @see Zend_Paginator_SerializableLimitIterator
*/
/**
* @category Zend
* @package Zend_Paginator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Paginator_Adapter_Iterator implements Zend_Paginator_Adapter_Interface
{
/**
* Iterator which implements Countable
*
* @var Iterator
*/
protected $_iterator = null;
/**
* Item count
*
* @var integer
*/
protected $_count = null;
/**
* Constructor.
*
* @param Iterator $iterator Iterator to paginate
* @throws Zend_Paginator_Exception
*/
public function __construct(Iterator $iterator)
{
if (!$iterator instanceof Countable) {
/**
* @see Zend_Paginator_Exception
*/
throw new Zend_Paginator_Exception('Iterator must implement Countable');
}
$this->_iterator = $iterator;
$this->_count = count($iterator);
}
/**
* Returns an iterator of items for a page, or an empty array.
*
* @param integer $offset Page offset
* @param integer $itemCountPerPage Number of items per page
* @return LimitIterator|array
*/
public function getItems($offset, $itemCountPerPage)
{
if ($this->_count == 0) {
return array();
}
// @link http://bugs.php.net/bug.php?id=49906 | ZF-8084
// return new LimitIterator($this->_iterator, $offset, $itemCountPerPage);
return new Zend_Paginator_SerializableLimitIterator($this->_iterator, $offset, $itemCountPerPage);
}
/**
* Returns the total number of rows in the collection.
*
* @return integer
*/
public function count()
{
return $this->_count;
}
}
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