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- <?php
- /**
- * @package Grav\Framework\Collection
- *
- * @copyright Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
- * @license MIT License; see LICENSE file for details.
- */
- namespace Grav\Framework\Collection;
- use Doctrine\Common\Collections\Collection;
- /**
- * Collection Interface.
- *
- * @package Grav\Framework\Collection
- */
- interface CollectionInterface extends Collection, \JsonSerializable
- {
- /**
- * Reverse the order of the items.
- *
- * @return static
- */
- public function reverse();
- /**
- * Shuffle items.
- *
- * @return static
- */
- public function shuffle();
- /**
- * Split collection into chunks.
- *
- * @param int $size Size of each chunk.
- * @return array
- */
- public function chunk($size);
- /**
- * Select items from collection.
- *
- * Collection is returned in the order of $keys given to the function.
- *
- * @param array $keys
- * @return static
- */
- public function select(array $keys);
- /**
- * Un-select items from collection.
- *
- * @param array $keys
- * @return static
- */
- public function unselect(array $keys);
- }
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