name : DepthRangeFilterIterator.php <?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; /** * DepthRangeFilterIterator limits the directory depth. * * @author Fabien Potencier <fabien@symfony.com> * * @template-covariant TKey * @template-covariant TValue * * @extends \FilterIterator<TKey, TValue> */ class DepthRangeFilterIterator extends \FilterIterator { private int $minDepth = 0; /** * @param \RecursiveIteratorIterator<\RecursiveIterator<TKey, TValue>> $iterator The Iterator to filter * @param int $minDepth The min depth * @param int $maxDepth The max depth */ public function __construct(\RecursiveIteratorIterator $iterator, int $minDepth = 0, int $maxDepth = \PHP_INT_MAX) { $this->minDepth = $minDepth; $iterator->setMaxDepth(\PHP_INT_MAX === $maxDepth ? -1 : $maxDepth); parent::__construct($iterator); } /** * Filters the iterator values. */ public function accept(): bool { return $this->getInnerIterator()->getDepth() >= $this->minDepth; } }