helpers/xml_helper.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');\r
   2 /**\r
   3  * CodeIgniter\r
   4  *\r
   5  * An open source application development framework for PHP 4.3.2 or newer\r
   6  *\r
   7  * @package             CodeIgniter\r
   8  * @author              ExpressionEngine Dev Team\r
   9  * @copyright   Copyright (c) 2008, EllisLab, Inc.\r
  10  * @license             http://codeigniter.com/user_guide/license.html\r
  11  * @link                http://codeigniter.com\r
  12  * @since               Version 1.0\r
  13  * @filesource\r
  14  */\r
  15 \r
  16 // ------------------------------------------------------------------------\r
  17 \r
  18 /**\r
  19  * CodeIgniter XML Helpers\r
  20  *\r
  21  * @package             CodeIgniter\r
  22  * @subpackage  Helpers\r
  23  * @category    Helpers\r
  24  * @author              ExpressionEngine Dev Team\r
  25  * @link                http://codeigniter.com/user_guide/helpers/xml_helper.html\r
  26  */\r
  27 \r
  28 // ------------------------------------------------------------------------\r
  29 \r
  30 /**\r
  31  * Convert Reserved XML characters to Entities\r
  32  *\r
  33  * @access      public\r
  34  * @param       string\r
  35  * @return      string\r
  36  */     \r
  37 if ( ! function_exists('xml_convert'))\r
  38 {\r
  39         function xml_convert($str)\r
  40         {\r
  41                 $temp = '__TEMP_AMPERSANDS__';\r
  42 \r
  43                 // Replace entities to temporary markers so that \r
  44                 // ampersands won't get messed up\r
  45                 $str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);\r
  46                 $str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);\r
  47         \r
  48                 $str = str_replace(array("&","<",">","\"", "'", "-"),\r
  49                                                    array("&amp;", "&lt;", "&gt;", "&quot;", "&#39;", "&#45;"),\r
  50                                                    $str);\r
  51 \r
  52                 // Decode the temp markers back to entities             \r
  53                 $str = preg_replace("/$temp(\d+);/","&#\\1;",$str);\r
  54                 $str = preg_replace("/$temp(\w+);/","&\\1;", $str);\r
  55                 \r
  56                 return $str;\r
  57         }\r
  58 }\r
  59 \r
  60 \r
  61 /* End of file xml_helper.php */\r
  62 /* Location: ./system/helpers/xml_helper.php */