<?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\Cache\Traits;

use Symfony\Component\Cache\Exception\CacheException;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 * @author Rob Frawley 2nd <rmf@src.run>
 *
 * @internal
 */
trait FilesystemTrait
{
    use FilesystemCommonTrait;

    /**
     * @return bool
     */
    public function prune()
    {
        $time = time();
        $pruned = true;

        foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->directory, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
            if (!$h = @fopen($file, 'rb')) {
                continue;
            }

            if (($expiresAt = (int) fgets($h)) && $time >= $expiresAt) {
                fclose($h);
                $pruned = @unlink($file) && !file_exists($file) && $pruned;
            } else {
                fclose($h);
            }
        }

        return $pruned;
    }

    /**
     * {@inheritdoc}
     */
    protected function doFetch(array $ids)
    {
        $values = array();
        $now = time();

        foreach ($ids as $id) {
            $file = $this->getFile($id);
            if (!file_exists($file) || !$h = @fopen($file, 'rb')) {
                continue;
            }
            if (($expiresAt = (int) fgets($h)) && $now >= $expiresAt) {
                fclose($h);
                @unlink($file);
            } else {
                $i = rawurldecode(rtrim(fgets($h)));
                $value = stream_get_contents($h);
                fclose($h);
                if ($i === $id) {
                    $values[$id] = parent::unserialize($value);
                }
            }
        }

        return $values;
    }

    /**
     * {@inheritdoc}
     */
    protected function doHave($id)
    {
        $file = $this->getFile($id);

        return file_exists($file) && (@filemtime($file) > time() || $this->doFetch(array($id)));
    }

    /**
     * {@inheritdoc}
     */
    protected function doSave(array $values, $lifetime)
    {
        $ok = true;
        $expiresAt = $lifetime ? (time() + $lifetime) : 0;

        foreach ($values as $id => $value) {
            $ok = $this->write($this->getFile($id, true), $expiresAt."\n".rawurlencode($id)."\n".serialize($value), $expiresAt) && $ok;
        }

        if (!$ok && !is_writable($this->directory)) {
            throw new CacheException(sprintf('Cache directory is not writable (%s)', $this->directory));
        }

        return $ok;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTEzODE1Mzg4MTEwMTEwOCA4MzQwNTc1NzQyMjMzOTg0IDQyNjUwNzg2Njc1OTU0Mzg=