<?php declare(strict_types=1); /* * This file is part of PHPUnit. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace PHPUnit\TestFixture; use function assert; use function is_array; use IteratorAggregate; use ReturnTypeWillChange; use Traversable; class WrapperIteratorAggregate implements IteratorAggregate { /** * @var array|Traversable */ private $baseCollection; public function __construct($baseCollection) { assert(is_array($baseCollection) || $baseCollection instanceof Traversable); $this->baseCollection = $baseCollection; } #[ReturnTypeWillChange] public function getIterator() { foreach ($this->baseCollection as $k => $v) { yield $k => $v; } } }