Fix: Only variables should be passed by reference

app/www/admin/src/class.XMLNavigation.php

@@ -74,13 +74,13 @@ class XMLNavigation extends Core
 		 *
 		 * @var object
 		 */
-		private $DB;
-
-		/**
-		 * Crumb separator
-		 *
-		 * @var object
-		 */
+		private $DB;
+
+		/**
+		 * Crumb separator
+		 *
+		 * @var object
+		 */
 		private $CrumbSeparator;
 
 		/**
@@ -99,9 +99,9 @@ function __construct($search = false)
             $this->XML->loadXML("<?xml version=\"1.0\" encoding=\"UTF-8\"?><menu></menu>");
             $this->XML->formatOutput = true;
 
-            $this->XPath = new DOMXPath($this->XML);
-
-            // Default separator
+            $this->XPath = new DOMXPath($this->XML);
+
+            // Default separator
             $this->CrumbSeparator = "&nbsp;&raquo;&nbsp;";
 		}
 
@@ -111,7 +111,7 @@ function __construct($search = false)
 		 * @param DOMNode $DOMPart
 		 * @param DOMNode $menu_part
 		 */
-		public function AddNode($DOMPart, &$menu_part)
+		public function AddNode($DOMPart, $menu_part)
 		{
             foreach ($DOMPart->childNodes as $node)
             {
@@ -278,7 +278,7 @@ public function AppendNodesFromArray($nodes, $parentid)
 		* @access protected
 		* @return void
 		*/
-		protected function GetNodes(&$root)
+		protected function GetNodes($root)
 		{
 			foreach ($root->childNodes as $node)
 			{