72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 4.3.2 or newer
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*
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* @package CodeIgniter
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* CodeIgniter Path Helpers
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*
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* @package CodeIgniter
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* @subpackage Helpers
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* @category Helpers
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/helpers/xml_helper.html
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*/
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// ------------------------------------------------------------------------
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/**
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* Set Realpath
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*
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* @access public
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* @param string
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* @param bool checks to see if the path exists
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* @return string
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*/
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if ( ! function_exists('set_realpath'))
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{
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function set_realpath($path, $check_existance = FALSE)
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{
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// Security check to make sure the path is NOT a URL. No remote file inclusion!
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if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
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{
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show_error('The path you submitted must be a local server path, not a URL');
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}
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// Resolve the path
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if (function_exists('realpath') AND @realpath($path) !== FALSE)
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{
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$path = realpath($path).'/';
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}
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// Add a trailing slash
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$path = preg_replace("#([^/])/*$#", "\\1/", $path);
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// Make sure the path exists
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if ($check_existance == TRUE)
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{
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if ( ! is_dir($path))
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{
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show_error('Not a valid path: '.$path);
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}
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}
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return $path;
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}
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}
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/* End of file path_helper.php */
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/* Location: ./system/helpers/path_helper.php */
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