<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Finder\Iterator; /** * This iterator just overrides the rewind method in order to correct a PHP bug. * * @see https://bugs.php.net/bug.php?id=49104 * * @author Alex Bogomazov */ abstract class FilterIterator extends \FilterIterator { /** * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after * rewind in some cases. * * @see FilterIterator::rewind() */ public function rewind() { $iterator = $this; while ($iterator instanceof \OuterIterator) { $innerIterator = $iterator->getInnerIterator(); if ($innerIterator instanceof RecursiveDirectoryIterator) { if ($innerIterator->isRewindable()) { $innerIterator->next(); $innerIterator->rewind(); } } elseif ($iterator->getInnerIterator() instanceof \FilesystemIterator) { $iterator->getInnerIterator()->next(); $iterator->getInnerIterator()->rewind(); } $iterator = $iterator->getInnerIterator(); } parent::rewind(); } }