Online PHP editor | refs for Vm9QH

<?php class ArrayObject implements ArrayAccess { private $data; public function offsetSet($key, $value) { var_dump($key, $value); $this->data[$key] = $value; } public function offsetGet($key) { return $this->data[$key]; } public function offsetUnset($key) { unset($this->data[$key]); } public function offsetExists($key) { return isset($this->data[$key]); } } $arr = new ArrayObject; $arr[0] = 1; $arr[] = 2;