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<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package             CodeIgniter
 * @author              ExpressionEngine Dev Team
 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license             http://codeigniter.com/user_guide/license.html
 * @link                http://codeigniter.com
 * @since               Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Directory Helpers
 *
 * @package             CodeIgniter
 * @subpackage  Helpers
 * @category    Helpers
 * @author              ExpressionEngine Dev Team
 * @link                http://codeigniter.com/user_guide/helpers/directory_helper.html
 */

// ------------------------------------------------------------------------

/**
 * Create a Directory Map
 *
 * Reads the specified directory and builds an array
 * representation of it.  Sub-folders contained with the
 * directory will be mapped as well.
 *
 * @access      public
 * @param       string  path to source
 * @param       int             depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
 * @return      array
 */
if ( ! function_exists('directory_map'))
{
        function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
        {
                if ($fp = @opendir($source_dir))
                {
                        $filedata       = array();
                        $new_depth      = $directory_depth - 1;
                        $source_dir     = rtrim($source_dir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;

                        while (FALSE !== ($file = readdir($fp)))
                        {
                                // Remove '.', '..', and hidden files [optional]
                                if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] == '.'))
                                {
                                        continue;
                                }

                                if (($directory_depth < 1 OR $new_depth > 0) && @is_dir($source_dir.$file))
                                {
                                        $filedata[$file] = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $new_depth, $hidden);
                                }
                                else
                                {
                                        $filedata[] = $file;
                                }
                        }

                        closedir($fp);
                        return $filedata;
                }

                return FALSE;
        }
}


/* End of file directory_helper.php */
/* Location: ./system/helpers/directory_helper.php */