interface.ilBuddySystemCollection.php

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<?php declare(strict_types=1);
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

interface ilBuddySystemCollection extends Countable, IteratorAggregate, ArrayAccess
{
    public function add($element) : void;

    public function remove($key) : void;

    public function removeElement($element) : void;

    public function containsKey($key) : bool;

    public function getKey($element);

    public function clear() : void;

    public function contains($element) : bool;

    public function get($key);

    public function set($key, $value) : void;

    public function isEmpty() : bool;

    public function getKeys() : array;

    public function getValues() : array;

    public function filter(callable $callable);

    public function slice($offset, $length = null);

    public function toArray() : array;
}