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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @link https://github.com/PHPOffice/PHPWord
* @copyright 2010-2014 PHPWord contributors
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
*/
namespace PhpOffice\PhpWord\Collection;
/**
* Collection abstract class
*
* @since 0.10.0
*/
abstract class AbstractCollection
{
/**
* Items
*
* @var array
*/
private $items = array();
/**
* Get items
*
* @return array
*/
public function getItems()
{
return $this->items;
}
/**
* Get item by index
*
* @param int $index
* @return mixed
*/
public function getItem($index)
{
if (array_key_exists($index, $this->items)) {
return $this->items[$index];
} else {
return null;
}
}
/**
* Set item.
*
* @param int $index
* @param mixed $item
* @return void
*/
public function setItem($index, $item)
{
if (array_key_exists($index, $this->items)) {
$this->items[$index] = $item;
}
}
/**
* Add new item
*
* @param mixed $item
* @return int
*/
public function addItem($item)
{
$index = $this->countItems() + 1;
$this->items[$index] = $item;
return $index;
}
/**
* Get item count
*
* @return int
*/
public function countItems()
{
return count($this->items);
}
}