diff --git a/language/predefined/iterator.xml b/language/predefined/iterator.xml
index 29502517c5..5f5f552d25 100644
--- a/language/predefined/iterator.xml
+++ b/language/predefined/iterator.xml
@@ -76,27 +76,27 @@ class myIterator implements Iterator {
         $this->position = 0;
     }
 
-    function rewind() {
+    public function rewind() {
         var_dump(__METHOD__);
         $this->position = 0;
     }
 
-    function current() {
+    public function current() {
         var_dump(__METHOD__);
         return $this->array[$this->position];
     }
 
-    function key() {
+    public function key() {
         var_dump(__METHOD__);
         return $this->position;
     }
 
-    function next() {
+    public function next() {
         var_dump(__METHOD__);
         ++$this->position;
     }
 
-    function valid() {
+    public function valid() {
         var_dump(__METHOD__);
         return isset($this->array[$this->position]);
     }