CodeIgniter installed

[living-lab-site.git] / system / helpers / path_helper.php

diff --git a/system/helpers/path_helper.php b/system/helpers/path_helper.php
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+++ b/system/helpers/path_helper.php
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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 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 = 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", $path))
+               {
+                       show_error('The path you submitted must be a local server path, not a URL');
+               }
+
+               // Resolve the path
+               if (function_exists('realpath') AND @realpath($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;
+       }
+}
+
+
+/* End of file path_helper.php */
+/* Location: ./system/helpers/path_helper.php */
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