--- /dev/null
+<?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;
+
+/**
+ * Php file cache driver.
+ *
+ * @since 2.3
+ * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
+ */
+class PhpFileCache extends FileCache
+{
+ const EXTENSION = '.doctrinecache.php';
+
+ /**
+ * {@inheritdoc}
+ */
+ public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
+ {
+ parent::__construct($directory, $extension, $umask);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doFetch($id)
+ {
+ $value = $this->includeFileForId($id);
+
+ if (! $value) {
+ return false;
+ }
+
+ if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) {
+ return false;
+ }
+
+ return $value['data'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doContains($id)
+ {
+ $value = $this->includeFileForId($id);
+
+ if (! $value) {
+ return false;
+ }
+
+ return $value['lifetime'] === 0 || $value['lifetime'] > time();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doSave($id, $data, $lifeTime = 0)
+ {
+ if ($lifeTime > 0) {
+ $lifeTime = time() + $lifeTime;
+ }
+
+ if (is_object($data) && ! method_exists($data, '__set_state')) {
+ throw new \InvalidArgumentException(
+ "Invalid argument given, PhpFileCache only allows objects that implement __set_state() " .
+ "and fully support var_export(). You can use the FilesystemCache to save arbitrary object " .
+ "graphs using serialize()/deserialize()."
+ );
+ }
+
+ $filename = $this->getFilename($id);
+
+ $value = array(
+ 'lifetime' => $lifeTime,
+ 'data' => $data
+ );
+
+ $value = var_export($value, true);
+ $code = sprintf('<?php return %s;', $value);
+
+ return $this->writeFile($filename, $code);
+ }
+
+ /**
+ * @param string $id
+ *
+ * @return array|false
+ */
+ private function includeFileForId($id)
+ {
+ $fileName = $this->getFilename($id);
+
+ // note: error suppression is still faster than `file_exists`, `is_file` and `is_readable`
+ $value = @include $fileName;
+
+ if (! isset($value['lifetime'])) {
+ return false;
+ }
+
+ return $value;
+ }
+}