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    <h3>Editing: ExcludeDirectoryFilterIterator.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * ExcludeDirectoryFilterIterator filters out directories.
 *
 * @author Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * @extends \FilterIterator&lt;string, \SplFileInfo&gt;
 *
 * @implements \RecursiveIterator&lt;string, \SplFileInfo&gt;
 */
class ExcludeDirectoryFilterIterator extends \FilterIterator implements \RecursiveIterator
{
    private $iterator;
    private $isRecursive;
    private $excludedDirs = [];
    private $excludedPattern;

    /**
     * @param \Iterator $iterator    The Iterator to filter
     * @param string[]  $directories An array of directories to exclude
     */
    public function __construct(\Iterator $iterator, array $directories)
    {
        $this-&gt;iterator = $iterator;
        $this-&gt;isRecursive = $iterator instanceof \RecursiveIterator;
        $patterns = [];
        foreach ($directories as $directory) {
            $directory = rtrim($directory, '/');
            if (!$this-&gt;isRecursive || str_contains($directory, '/')) {
                $patterns[] = preg_quote($directory, '#');
            } else {
                $this-&gt;excludedDirs[$directory] = true;
            }
        }
        if ($patterns) {
            $this-&gt;excludedPattern = '#(?:^|/)(?:'.implode('|', $patterns).')(?:/|$)#';
        }

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function accept()
    {
        if ($this-&gt;isRecursive &amp;&amp; isset($this-&gt;excludedDirs[$this-&gt;getFilename()]) &amp;&amp; $this-&gt;isDir()) {
            return false;
        }

        if ($this-&gt;excludedPattern) {
            $path = $this-&gt;isDir() ? $this-&gt;current()-&gt;getRelativePathname() : $this-&gt;current()-&gt;getRelativePath();
            $path = str_replace('\\', '/', $path);

            return !preg_match($this-&gt;excludedPattern, $path);
        }

        return true;
    }

    /**
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function hasChildren()
    {
        return $this-&gt;isRecursive &amp;&amp; $this-&gt;iterator-&gt;hasChildren();
    }

    /**
     * @return self
     */
    #[\ReturnTypeWillChange]
    public function getChildren()
    {
        $children = new self($this-&gt;iterator-&gt;getChildren(), []);
        $children-&gt;excludedDirs = $this-&gt;excludedDirs;
        $children-&gt;excludedPattern = $this-&gt;excludedPattern;

        return $children;
    }
}
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