interface.ilBuddySystemCollection.php

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

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

    public function remove($key);

    public function removeElement($element);

    public function containsKey($key);

    public function getKey($element);

    public function clear();

    public function contains($element);

    public function get($key);

    public function set($key, $value);

    public function isEmpty();

    public function getKeys();

    public function getValues();

    public function filter(Closure $closure);

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

    public function toArray();
}