--- /dev/null
+<?php
+class TestIterator implements Iterator
+{
+ protected $array;
+ protected $position = 0;
+
+ public function __construct($array = array())
+ {
+ $this->array = $array;
+ }
+
+ public function rewind()
+ {
+ $this->position = 0;
+ }
+
+ public function valid()
+ {
+ return $this->position < count($this->array);
+ }
+
+ public function key()
+ {
+ return $this->position;
+ }
+
+ public function current()
+ {
+ return $this->array[$this->position];
+ }
+
+ public function next()
+ {
+ $this->position++;
+ }
+}