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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter Path Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Set Realpath
*
* @access public
* @param string
* @param bool checks to see if the path exists
* @return string
*/
if (! function_exists('set_realpath'))
{
function set_realpath($path, $check_existance = TRUE)
{
// Security check to make sure the path is NOT a URL. No remote file inclusion!
if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
{
show_error('The path you submitted must be a local server path, not a URL');
}
// Resolve the path
if (function_exists('realpath') AND @realpath($path) !== FALSE)
{
$path = realpath($path).'/';
}
// Add a trailing slash
$path = preg_replace("#([^/])/*$#", "\\1/", $path);
// Make sure the path exists
if ($check_existance == TRUE)
{
if (! is_dir($path))
{
show_error('Not a valid path: '.$path);
}
}
return $path;
}
}
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