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();
}