Source of file Iterator.php
Size: 1,757 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/Paginator/Adapter/Iterator.php
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Paginator\Adapter; use Zend\Paginator; class Iterator implements AdapterInterface { /** * Iterator which implements Countable * * @var Iterator */ protected $iterator = null; /** * Item count * * @var int */ protected $count = null; /** * Constructor. * * @param \Iterator $iterator Iterator to paginate * @throws \Zend\Paginator\Adapter\Exception\InvalidArgumentException */ public function __construct(\Iterator $iterator) { if (!$iterator instanceof \Countable) { throw new Exception\InvalidArgumentException('Iterator must implement Countable'); } $this->iterator = $iterator; $this->count = count($iterator); } /** * Returns an iterator of items for a page, or an empty array. * * @param int $offset Page offset * @param int $itemCountPerPage Number of items per page * @return array|\Zend\Paginator\SerializableLimitIterator */ public function getItems($offset, $itemCountPerPage) { if ($this->count == 0) { return array(); } return new Paginator\SerializableLimitIterator($this->iterator, $offset, $itemCountPerPage); } /** * Returns the total number of rows in the collection. * * @return int */ public function count() { return $this->count; } } |