<?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;

use Symfony\Component\Config\Resource\SelfCheckingResourceChecker;

/**
* ConfigCache caches arbitrary content in files on disk.
*
* When in debug mode, those metadata resources that implement
* \Symfony\Component\Config\Resource\SelfCheckingResourceInterface will
* be used to check cache freshness.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Matthias Pigulla <mp@webfactory.de>
*/
class ConfigCache extends ResourceCheckerConfigCache
{
private $debug;

/**
* @param string $file The absolute cache path
* @param bool $debug Whether debugging is enabled or not
*/
public function __construct(string $file, bool $debug)
{
$this->debug = $debug;

$checkers = [];
if (true === $this->debug) {
$checkers = [new SelfCheckingResourceChecker()];
}

parent::__construct($file, $checkers);
}

/**
* Checks if the cache is still fresh.
*
* This implementation always returns true when debug is off and the
* cache file exists.
*
* @return bool true if the cache is fresh, false otherwise
*/
public function isFresh()
{
if (!$this->debug && is_file($this->getPath())) {
return true;
}

return parent::isFresh();
}
}