Online PHP editor | refs for V8TaJ

<?php class a { private function __clone() { } private function __construct() { } public static function getInstance() { return new static(); } public function doSomething() { return $this; } public function cloneIt() { $a = clone $this; print_r($a); return $a; } } class c extends a { } // private constructor $d = c::getInstance(); // private clone $e = $d->cloneIt();