Online PHP editor | refs for ATKBK

<?php class Container implements Iterator { private $container; private $iterator; public function __construct() { $this->container = new ArrayObject(); $this->iterator = $this->container->getIterator(); } public function get_iterator() { return $this->iterator; } public function append($element) { $this->container->append($element); } public function current() { return $this->iterator->current(); } public function next() { $this->iterator->next(); } public function key() { return $this->iterator->key(); } public function valid() { return $this->iterator->valid(); } public function rewind() { $this->iterator->rewind(); } } class Page { private $content; public function __construct($content) { $this->content = $content; } public function get_content() { return $this->content; } } $container = new Container(); $container->append('test1'); $container->append('test2'); $serialized = serialize($container); unset($container); $container = unserialize($serialized); foreach ($container as $key => $value) { echo $key . ' => ' . $value . PHP_EOL; } echo $serialized . PHP_EOL; var_dump($container); var_dump($container->get_iterator());