--- /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;
+
+/**
+ * Xcache cache driver.
+ *
+ * @link www.doctrine-project.org
+ * @since 2.0
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author Jonathan Wage <jonwage@gmail.com>
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author David Abdemoulaie <dave@hobodave.com>
+ */
+class XcacheCache extends CacheProvider
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function doFetch($id)
+ {
+ return $this->doContains($id) ? unserialize(xcache_get($id)) : false;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doContains($id)
+ {
+ return xcache_isset($id);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doSave($id, $data, $lifeTime = 0)
+ {
+ return xcache_set($id, serialize($data), (int) $lifeTime);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doDelete($id)
+ {
+ return xcache_unset($id);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doFlush()
+ {
+ $this->checkAuthorization();
+
+ xcache_clear_cache(XC_TYPE_VAR);
+
+ return true;
+ }
+
+ /**
+ * Checks that xcache.admin.enable_auth is Off.
+ *
+ * @return void
+ *
+ * @throws \BadMethodCallException When xcache.admin.enable_auth is On.
+ */
+ protected function checkAuthorization()
+ {
+ if (ini_get('xcache.admin.enable_auth')) {
+ throw new \BadMethodCallException(
+ 'To use all features of \Doctrine\Common\Cache\XcacheCache, '
+ . 'you must set "xcache.admin.enable_auth" to "Off" in your php.ini.'
+ );
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doGetStats()
+ {
+ $this->checkAuthorization();
+
+ $info = xcache_info(XC_TYPE_VAR, 0);
+ return array(
+ Cache::STATS_HITS => $info['hits'],
+ Cache::STATS_MISSES => $info['misses'],
+ Cache::STATS_UPTIME => null,
+ Cache::STATS_MEMORY_USAGE => $info['size'],
+ Cache::STATS_MEMORY_AVAILABLE => $info['avail'],
+ );
+ }
+}