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File Content: `ComposerResource.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\Config\Resource;

/**
 * ComposerResource tracks the PHP version and Composer dependencies.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @final
 */
class ComposerResource implements SelfCheckingResourceInterface
{
    private $vendors;

    private static $runtimeVendors;

    public function __construct()
    {
        self::refresh();
        $this->vendors = self::$runtimeVendors;
    }

    public function getVendors(): array
    {
        return array_keys($this->vendors);
    }

    public function __toString(): string
    {
        return __CLASS__;
    }

    /**
     * {@inheritdoc}
     */
    public function isFresh(int $timestamp): bool
    {
        self::refresh();

        return array_values(self::$runtimeVendors) === array_values($this->vendors);
    }

    private static function refresh()
    {
        self::$runtimeVendors = [];

        foreach (get_declared_classes() as $class) {
            if ('C' === $class[0] && str_starts_with($class, 'ComposerAutoloaderInit')) {
                $r = new \ReflectionClass($class);
                $v = \dirname($r->getFileName(), 2);
                if (is_file($v.'/composer/installed.json')) {
                    self::$runtimeVendors[$v] = @filemtime($v.'/composer/installed.json');
                }
            }
        }
    }
}

Name	Size	Permission
ClassExistenceResource.php	7059 bytes	0750
ComposerResource.php	1584 bytes	0750
DirectoryResource.php	2708 bytes	0750
FileExistenceResource.php	1245 bytes	0750
FileResource.php	1486 bytes	0750
GlobResource.php	7948 bytes	0750
ReflectionClassResource.php	9278 bytes	0750
ResourceInterface.php	956 bytes	0750
SelfCheckingResourceChecker.php	1376 bytes	0750
SelfCheckingResourceInterface.php	779 bytes	0750

File Content: ComposerResource.php

File Content: `ComposerResource.php`