text: <?php
  /**
   * php-file-iterator
   *
   * Copyright (c) 2009-2012, Sebastian Bergmann <sb@sebastian-bergmann.de>.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *   * Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *
   *   * Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in
   *     the documentation and/or other materials provided with the
   *     distribution.
   *
   *   * Neither the name of Sebastian Bergmann nor the names of his
   *     contributors may be used to endorse or promote products derived
   *     from this software without specific prior written permission.
   *
   * 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.
   *
   * @package   File
   * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
   * @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
   * @license   http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
   * @since     File available since Release 1.3.0
   */
  
  spl_autoload_register(
    function ($class)
    {
        static $classes = NULL;
        static $path = NULL;
  
        if ($classes === NULL) {
            $classes = array(
              'file_iterator' => '/Iterator.php',
              'file_iterator_facade' => '/Iterator/Facade.php',
              'file_iterator_factory' => '/Iterator/Factory.php'
            );
  
            $path = dirname(dirname(__FILE__));
        }
  
        $cn = strtolower($class);
  
        if (isset($classes[$cn])) {
            require $path . $classes[$cn];
        }
    }
  );
  