<?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 XML Helpers

 *

 * @package		CodeIgniter

 * @subpackage	Helpers

 * @category	Helpers

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/helpers/xml_helper.html

 */



// ------------------------------------------------------------------------



/**

 * Convert Reserved XML characters to Entities

 *

 * @access	public

 * @param	string

 * @return	string

 */

if ( ! function_exists('xml_convert'))

{

	function xml_convert($str, $protect_all = FALSE)

	{

		$temp = '__TEMP_AMPERSANDS__';



		// Replace entities to temporary markers so that

		// ampersands won't get messed up

		$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);



		if ($protect_all === TRUE)

		{

			$str = preg_replace("/&(\w+);/",  "$temp\\1;", $str);

		}



		$str = str_replace(array("&","<",">","\"", "'", "-"),

							array("&amp;", "&lt;", "&gt;", "&quot;", "&apos;", "&#45;"),

							$str);



		// Decode the temp markers back to entities

		$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);



		if ($protect_all === TRUE)

		{

			$str = preg_replace("/$temp(\w+);/","&\\1;", $str);

		}



		return $str;

	}

}



// ------------------------------------------------------------------------



/* End of file xml_helper.php */

/* Location: ./system/helpers/xml_helper.php */