Online PHP editor | output for BVJvR

<?php class myIterator implements Iterator { private $position = 0; private $array = array( "firstelement", "secondelement", "lastelement", ); public function __construct() { $this->position = 0; } public function rewind(): void { var_dump(__METHOD__); $this->position = 0; } #[\ReturnTypeWillChange] public function current() { var_dump(__METHOD__); return $this->array[$this->position]; } #[\ReturnTypeWillChange] public function key() { var_dump(__METHOD__); return $this->position; } public function next(): void { var_dump(__METHOD__); ++$this->position; } public function valid(): bool { var_dump(__METHOD__); return isset($this->array[$this->position]); } } $it = new myIterator; foreach($it as $key => $value) { var_dump($key, $value); echo "\n"; } ?>