Online PHP editor | refs for DhTUu

<?php class values implements Iterator{ private $_data = null; // array or object private $_keys = array(); private $_key = false; public function __construct($data = null){ if (null !== $data){ $this->_data = $data; } } // ------------ \Iterator implementation public function current(){ return $this->{$this->_key}; } public function key(){ return $this->_key; } public function next(){ $this->_key = \next($this->_keys); } public function rewind(){ $this->_keys = array(); foreach ($this->_data as $k => $v){ $this->_keys[] = $k; } $this->_key = \reset($this->_keys); } public function valid(){ if (false === $this->_key){ return false; } return isset($this->{$this->_key}); } } $values = new values(new DateTime()); foreach($values as $k => $v) { var_dump($k, $v); }