<?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\HttpKernel\CacheWarmer;

/**

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

abstract class CacheWarmer implements CacheWarmerInterface

{

    protected function writeCacheFile($file, $content)

    {

        $tmpFile = tempnam(dirname($file), basename($file));

        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {

            chmod($file, 0644);

            return;

        }

        throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));

    }

}