Online PHP editor | refs for 4QRcW

<?php class TT{ private $that; public function __construct(){ $this->that = &$this; } public function poop(){ var_dump( $this ); } } class TT_B extends TT{ public function that(){ $this->that = new TT; } public function check(){ var_dump( 'new' ); } } $a = new TT_B; $a->that(); $a->check();