Online PHP editor | refs for YiZol

<?php class Singleton { private function __construct(){} private function __clone(){} private function __sleep(){} private function __wakeup(){} private static $instance; public static function getInstance() { if ( ! self::$instance) { self::$instance = new static(); } return self::$instance; } } $obj1 = Singleton::getInstance(); $obj2 = Singleton::getInstance(); var_dump(spl_object_hash($obj1) == spl_object_hash($obj2));