Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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FilterIterator.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Finder\Iterator;
13
14 /**
15 * This iterator just overrides the rewind method in order to correct a PHP bug,
16 * which existed before version 5.5.23/5.6.7.
17 *
18 * @see https://bugs.php.net/68557
19 *
20 * @author Alex Bogomazov
21 */
22 abstract class FilterIterator extends \FilterIterator
23 {
24 /**
25 * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
26 * rewind in some cases.
27 *
28 * @see FilterIterator::rewind()
29 */
30 public function rewind()
31 {
32 if (PHP_VERSION_ID > 50607 || (PHP_VERSION_ID > 50523 && PHP_VERSION_ID < 50600)) {
33 parent::rewind();
34
35 return;
36 }
37
38 $iterator = $this;
39 while ($iterator instanceof \OuterIterator) {
40 $innerIterator = $iterator->getInnerIterator();
41
42 if ($innerIterator instanceof RecursiveDirectoryIterator) {
43 // this condition is necessary for iterators to work properly with non-local filesystems like ftp
44 if ($innerIterator->isRewindable()) {
45 $innerIterator->next();
46 $innerIterator->rewind();
47 }
48 } elseif ($innerIterator instanceof \FilesystemIterator) {
49 $innerIterator->next();
50 $innerIterator->rewind();
51 }
52
53 $iterator = $innerIterator;
54 }
55
56 parent::rewind();
57 }
58 }
59