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    <h3>Editing: PhpAstExtractor.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\Translation\Extractor;

use PhpParser\NodeTraverser;
use PhpParser\NodeVisitor;
use PhpParser\Parser;
use PhpParser\ParserFactory;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Translation\Extractor\Visitor\AbstractVisitor;
use Symfony\Component\Translation\MessageCatalogue;

/**
 * PhpAstExtractor extracts translation messages from a PHP AST.
 *
 * @author Mathieu Santostefano &lt;msantostefano@protonmail.com&gt;
 */
final class PhpAstExtractor extends AbstractFileExtractor implements ExtractorInterface
{
    private Parser $parser;

    public function __construct(
        /**
         * @param iterable&lt;AbstractVisitor&amp;NodeVisitor&gt; $visitors
         */
        private readonly iterable $visitors,
        private string $prefix = '',
    ) {
        if (!class_exists(ParserFactory::class)) {
            throw new \LogicException(sprintf('You cannot use &quot;%s&quot; as the &quot;nikic/php-parser&quot; package is not installed. Try running &quot;composer require nikic/php-parser&quot;.', static::class));
        }

        $this-&gt;parser = (new ParserFactory())-&gt;create(ParserFactory::PREFER_PHP7);
    }

    public function extract(iterable|string $resource, MessageCatalogue $catalogue): void
    {
        foreach ($this-&gt;extractFiles($resource) as $file) {
            $traverser = new NodeTraverser();
            /** @var AbstractVisitor&amp;NodeVisitor $visitor */
            foreach ($this-&gt;visitors as $visitor) {
                $visitor-&gt;initialize($catalogue, $file, $this-&gt;prefix);
                $traverser-&gt;addVisitor($visitor);
            }

            $nodes = $this-&gt;parser-&gt;parse(file_get_contents($file));
            $traverser-&gt;traverse($nodes);
        }
    }

    public function setPrefix(string $prefix): void
    {
        $this-&gt;prefix = $prefix;
    }

    protected function canBeExtracted(string $file): bool
    {
        return 'php' === pathinfo($file, \PATHINFO_EXTENSION) &amp;&amp; $this-&gt;isFile($file);
    }

    protected function extractFromDirectory(array|string $resource): iterable|Finder
    {
        if (!class_exists(Finder::class)) {
            throw new \LogicException(sprintf('You cannot use &quot;%s&quot; as the &quot;symfony/finder&quot; package is not installed. Try running &quot;composer require symfony/finder&quot;.', static::class));
        }

        return (new Finder())-&gt;files()-&gt;name('*.php')-&gt;in($resource);
    }
}
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