Online PHP editor | output for cZQk5

<?php interface ConfiguratorDelegate { public function didSelectOption($option); } class ViewController implements ConfiguratorDelegate { public function didSelectOption($option) { echo "Selected option"; } __construct() { $configurator = new Configurator(); $configurator->delegate = $this; } } class Configurator { public $delegate; // This would be defined as an object that always implements ConfiguratorDelegate private function optionSelected($option) { if ($delegate) { $delegate->didSelectOption($option); } } } $myVC = new ViewController();