<?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\DBAL;
  
  /**
   * Class to store and retrieve the version of Doctrine
   *
   * 
   * @link    www.doctrine-project.org
   * @since   2.0
   * @version $Revision$
   * @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 = '2.3.4';
  
      /**
       * Compares a Doctrine version with the current one.
       *
       * @param string $version Doctrine version to compare.
       * @return int Returns -1 if older, 0 if it is the same, 1 if version
       *             passed as argument is newer.
       */
      public static function compare($version)
      {
          $currentVersion = str_replace(' ', '', strtolower(self::VERSION));
          $version = str_replace(' ', '', $version);
  
          return version_compare($version, $currentVersion);
      }
  }