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Collection.php
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Collection.php
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* LICENSE:
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @author Nicholas Dunnaway
* @copyright 2012 Digitalroot
* @license http://www.gnu.org/copyleft/gpl.html
* @link http://www.digitalroot.net
*/
/**
* Collection Class
*/
class Collection implements ICollection
{
/**
* Item Storage
* @var array
*/
private $_items;
/**
* Constructor
*/
public function __construct()
{
$this->_items = Array();
}
/**
* Add an item to the collection.
* @param $item
* @return void
*/
public function Add($item)
{
$this->_items[] = $item;
}
/**
* Removes the first instance of an item from the collection.
* @param $item
* @return void
*/
public function Remove($item)
{
$index = array_search($item, $this->_items, true);
if ($index)
{
$this->RemoveAt($index);
}
}
/**
* Removes an item from the collection at an index.
* @param $index
* @return void
*/
public function RemoveAt($index)
{
unset($this->_items[$index]);
}
/**
* Insert an item at an index.
* @param $item
* @param $index
* @return void
*/
public function Insert($item, $index)
{
$this->_items[$index] = $item;
}
/**
* Count the number of items in the collection.
* @return int
*/
public function Count()
{
return count($this->_items);
}
/**
* List of items in the collection.
* @return array
*/
public function Items()
{
return $this->_items;
}
}