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sources/3rdparty/doctrine/common/lib/Doctrine/Common/Cache/FilesystemCache.php
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<?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}
*/
protected $extension = self::EXTENSION;
/**
* {@inheritdoc}
*/
protected function doFetch($id)
{
$data = '';
$lifetime = -1;
$filename = $this->getFilename($id);
if ( ! file_exists($filename)) {
return false;
}
$resource = fopen($filename, "r");
if (false !== ($line = fgets($resource))) {
$lifetime = (integer) $line;
}
if ($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 ( ! file_exists($filename)) {
return false;
}
$resource = fopen($filename, "r");
if (false !== ($line = fgets($resource))) {
$lifetime = (integer) $line;
}
fclose($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);
$filepath = pathinfo($filename, PATHINFO_DIRNAME);
if ( ! is_dir($filepath)) {
mkdir($filepath, 0777, true);
}
return file_put_contents($filename, $lifeTime . PHP_EOL . $data);
}
}
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