Online PHP editor | vld for 7jO0P

<?php class a { public function __constructor() { $that = & $this; $that = new b(); var_dump('#1 that = '.get_class($that)); } public function change() { global $this; $that = & $this; $that = new b(); var_dump('#2 that = '.get_class($that)); var_dump('#2 this = '.get_class($this)); } } class b { } $class = new a(); var_dump(get_class($class)); $class->change(); var_dump(get_class($class));