Your IP : 216.73.216.220
<?php
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Collection;
/**
* Interface for collection class being sortable
*
* This interface allows you to either define a callback implementing
* your own sorting method and explicitly move an item from one position
* to another.
*
* This assumes that entries are sortable and therefore an index can be assigned
*/
interface SortableCollectionInterface
{
/**
* Sorts collection via given callBackFunction
*
* The comparison function given as must return an integer less than, equal to, or greater than
* zero if the first argument is considered to be respectively less than, equal to, or greater than the second.
*
* @param callable $callbackFunction
* @see http://www.php.net/manual/en/function.usort.php
*/
public function usort($callbackFunction);
/**
* Moves the item within the collection
*
* The item at $currentPosition will be moved to
* $newPosition. Omitting $newPosition will move to top.
*
* @param int $currentPosition
* @param int $newPosition
*/
public function moveItemAt($currentPosition, $newPosition = 0);
}