Classes List

Symfony\Component\Finder\Iterator\FilterIterator

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<?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, * which existed before version 5.5.23/5.6.7. * * @see https://bugs.php.net/68557 * * @author Alex Bogomazov * * @deprecated since 3.4, to be removed in 4.0. */
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()
    {
        if (\PHP_VERSION_ID > 50607 || (\PHP_VERSION_ID > 50523 && \PHP_VERSION_ID < 50600)) {
            parent::rewind();

            return;
        }

        $iterator = $this;
        while ($iterator instanceof \OuterIterator) {
            $innerIterator = $iterator->getInnerIterator();

            if ($innerIterator instanceof RecursiveDirectoryIterator) {
                // this condition is necessary for iterators to work properly with non-local filesystems like ftp
                if ($innerIterator->isRewindable()) {
                    $innerIterator->next();
                    $innerIterator->rewind();
                }
            } elseif ($innerIterator instanceof \FilesystemIterator) {
                $innerIterator->next();
                $innerIterator->rewind();
            }

            $iterator = $innerIterator;
        }

        parent::rewind();
    }
}