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diff --git a/vendor/doctrine/cache/lib/Doctrine/Common/Cache/PhpFileCache.php b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/PhpFileCache.php
new file mode 100644
index 000000000..5e7519674
--- /dev/null
+++ b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/PhpFileCache.php
@@ -0,0 +1,120 @@
+<?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;
+    }
+}