first commit

system/helpers/xml_helper.php

@@ -0,0 +1,71 @@
+<?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 */