Online PHP editor | refs for jstr5

<?php class foo implements Iterator { public function __construct() { $this->position = 0; } function rewind() { $this->position = 0; } function current() { return $this->array[$this->position]; } function key() { return $this->position; } function next() { ++$this->position; } function valid() { return isset($this->array[$this->position]); } static function bar() { return "brap brap"; } } echo foo::bar(); $foo = new foo(); var_dump (foo instanceOf Iterator);