<?php
class TestIterator implements Iterator
{
protected $array;
protected $position = 0;
public function __construct($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++;
}
}