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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
* Licensed under the Open Software License version 3.0
*
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
* http://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to obtain it
* through the world wide web, please send an email to
* licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CodeIgniter Path Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/helpers/path_helper.html
*/
// ------------------------------------------------------------------------
if ( ! function_exists('set_realpath'))
{
/**
* Set Realpath
*
* @param string
* @param bool checks to see if the path exists
* @return string
*/
function set_realpath($path, $check_existance = FALSE)
{
// 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', $path))
{
show_error('The path you submitted must be a local server path, not a URL');
}
// Resolve the path
if (realpath($path) !== FALSE)
{
$path = realpath($path);
}
elseif ($check_existance && ! is_dir($path) && ! is_file($path))
{
show_error('Not a valid path: '.$path);
}
// Add a trailing slash, if this is a directory
return is_dir($path) ? rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR : $path;
}
}
/* End of file path_helper.php */
/* Location: ./system/helpers/path_helper.php */
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