3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\Common\Cache;
23 * Filesystem cache driver.
26 * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
28 class FilesystemCache extends FileCache
30 const EXTENSION = '.doctrinecache.data';
35 public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
37 parent::__construct($directory, $extension, $umask);
43 protected function doFetch($id)
47 $filename = $this->getFilename($id);
49 if ( ! is_file($filename)) {
53 $resource = fopen($filename, "r");
55 if (false !== ($line = fgets($resource))) {
56 $lifetime = (int) $line;
59 if ($lifetime !== 0 && $lifetime < time()) {
65 while (false !== ($line = fgets($resource))) {
71 return unserialize($data);
77 protected function doContains($id)
80 $filename = $this->getFilename($id);
82 if ( ! is_file($filename)) {
86 $resource = fopen($filename, "r");
88 if (false !== ($line = fgets($resource))) {
89 $lifetime = (int) $line;
94 return $lifetime === 0 || $lifetime > time();
100 protected function doSave($id, $data, $lifeTime = 0)
103 $lifeTime = time() + $lifeTime;
106 $data = serialize($data);
107 $filename = $this->getFilename($id);
109 return $this->writeFile($filename, $lifeTime . PHP_EOL . $data);