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/halogy/helpers/path_helper.php

https://bitbucket.org/haloweb/halogy-1.0/
PHP | 72 lines | 24 code | 10 blank | 38 comment | 7 complexity | e40ce5e00acd860cd9e958785878e6a0 MD5 | raw file
 1<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 2/**
 3 * CodeIgniter
 4 *
 5 * An open source application development framework for PHP 4.3.2 or newer
 6 *
 7 * @package		CodeIgniter
 8 * @author		ExpressionEngine Dev Team
 9 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
10 * @license		http://codeigniter.com/user_guide/license.html
11 * @link		http://codeigniter.com
12 * @since		Version 1.0
13 * @filesource
14 */
15
16// ------------------------------------------------------------------------
17
18/**
19 * CodeIgniter Path Helpers
20 *
21 * @package		CodeIgniter
22 * @subpackage	Helpers
23 * @category	Helpers
24 * @author		ExpressionEngine Dev Team
25 * @link		http://codeigniter.com/user_guide/helpers/xml_helper.html
26 */
27
28// ------------------------------------------------------------------------
29
30/**
31 * Set Realpath
32 *
33 * @access	public
34 * @param	string
35 * @param	bool	checks to see if the path exists
36 * @return	string
37 */	
38if ( ! function_exists('set_realpath'))
39{
40	function set_realpath($path, $check_existance = FALSE)
41	{
42		// Security check to make sure the path is NOT a URL.  No remote file inclusion!
43		if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path))
44		{
45			show_error('The path you submitted must be a local server path, not a URL');
46		}
47	
48		// Resolve the path
49		if (function_exists('realpath') AND @realpath($path) !== FALSE)
50		{
51			$path = realpath($path).'/';
52		}
53	
54		// Add a trailing slash
55		$path = preg_replace("#([^/])/*$#", "\\1/", $path);
56	
57		// Make sure the path exists
58		if ($check_existance == TRUE)
59		{
60			if ( ! is_dir($path))
61			{
62				show_error('Not a valid path: '.$path);
63			}
64		}
65	
66		return $path;
67	}
68}
69
70
71/* End of file path_helper.php */
72/* Location: ./system/helpers/path_helper.php */