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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://www.codeigniter.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CodeIgniter XML Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/helpers/xml_helper.html
*/
// ------------------------------------------------------------------------
/**
* Convert Reserved XML characters to Entities
*
* @access public
* @param string
* @return string
*/
function xml_convert($str)
{
$temp = '__TEMP_AMPERSANDS__';
// Replace entities to temporary markers so that
// ampersands won't get messed up
$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
$str = str_replace(array("&","<",">","\"", "'", "-"),
array("&", "<", ">", """, "'", "-"),
$str);
// Decode the temp markers back to entities
$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
$str = preg_replace("/$temp(\w+);/","&\\1;", $str);
return $str;
}
?>
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