<?php /** * This file is part of the ramsey/collection library * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. * * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> * @license http://opensource.org/licenses/MIT MIT */ declare(strict_types=1); namespace Ramsey\Collection; use ArrayAccess; use Countable; use IteratorAggregate; use Serializable; /** * `ArrayInterface` provides traversable array functionality to data types. * * @template T */ interface ArrayInterface extends ArrayAccess, Countable, IteratorAggregate, Serializable { /** * Removes all items from this array. */ public function clear(): void; /** * Returns a native PHP array representation of this array object. * * @return array<array-key, T> */ public function toArray(): array; /** * Returns `true` if this array is empty. */ public function isEmpty(): bool; }