<?php /* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This software consists of voluntary contributions made by many individuals * and is licensed under the MIT license. For more information, see * <http://www.doctrine-project.org>. */ namespace Doctrine\Common\Cache; /** * Filesystem cache driver. * * @since 2.3 * @author Fabio B. Silva <fabio.bat.silva@gmail.com> */ class FilesystemCache extends FileCache { const EXTENSION = '.doctrinecache.data'; /** * {@inheritdoc} */ public function __construct($directory, $extension = self::EXTENSION, $umask = 0002) { parent::__construct($directory, $extension, $umask); } /** * {@inheritdoc} */ protected function doFetch($id) { $data = ''; $lifetime = -1; $filename = $this->getFilename($id); if ( ! is_file($filename)) { return false; } $resource = fopen($filename, "r"); if (false !== ($line = fgets($resource))) { $lifetime = (int) $line; } if ($lifetime !== 0 && $lifetime < time()) { fclose($resource); return false; } while (false !== ($line = fgets($resource))) { $data .= $line; } fclose($resource); return unserialize($data); } /** * {@inheritdoc} */ protected function doContains($id) { $lifetime = -1; $filename = $this->getFilename($id); if ( ! is_file($filename)) { return false; } $resource = fopen($filename, "r"); if (false !== ($line = fgets($resource))) { $lifetime = (int) $line; } fclose($resource); return $lifetime === 0 || $lifetime > time(); } /** * {@inheritdoc} */ protected function doSave($id, $data, $lifeTime = 0) { if ($lifeTime > 0) { $lifeTime = time() + $lifeTime; } $data = serialize($data); $filename = $this->getFilename($id); return $this->writeFile($filename, $lifeTime . PHP_EOL . $data); } }