59 lines
1.6 KiB
PHP
59 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Finder\Iterator;
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/**
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* This iterator just overrides the rewind method in order to correct a PHP bug,
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* which existed before version 5.5.23/5.6.7.
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*
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* @see https://bugs.php.net/68557
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*
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* @author Alex Bogomazov
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*/
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abstract class FilterIterator extends \FilterIterator
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{
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/**
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* This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
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* rewind in some cases.
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*
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* @see FilterIterator::rewind()
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*/
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public function rewind()
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{
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if (\PHP_VERSION_ID > 50607 || (\PHP_VERSION_ID > 50523 && \PHP_VERSION_ID < 50600)) {
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parent::rewind();
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return;
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}
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$iterator = $this;
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while ($iterator instanceof \OuterIterator) {
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$innerIterator = $iterator->getInnerIterator();
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if ($innerIterator instanceof RecursiveDirectoryIterator) {
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// this condition is necessary for iterators to work properly with non-local filesystems like ftp
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if ($innerIterator->isRewindable()) {
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$innerIterator->next();
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$innerIterator->rewind();
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}
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} elseif ($innerIterator instanceof \FilesystemIterator) {
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$innerIterator->next();
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$innerIterator->rewind();
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}
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$iterator = $innerIterator;
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}
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parent::rewind();
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}
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}
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