--- /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;
+
+/**
+ * Class to store and retrieve the version of Doctrine.
+ *
+ * @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>
+ */
+class Version
+{
+ /**
+ * Current Doctrine Version.
+ */
+ const VERSION = '2.7.0-DEV';
+
+ /**
+ * Compares a Doctrine version with the current one.
+ *
+ * @param string $version Doctrine version to compare.
+ *
+ * @return int -1 if older, 0 if it is the same, 1 if version passed as argument is newer.
+ */
+ public static function compare($version)
+ {
+ $currentVersion = str_replace(' ', '', strtolower(self::VERSION));
+ $version = str_replace(' ', '', $version);
+
+ return version_compare($version, $currentVersion);
+ }
+}