Online PHP editor | output for bBYl8

<?php class ThisAction extends Action { protected $action_type = 'testing'; private function testing_more_stuff() { echo "more stuff"; } private function testing_stuff() { echo "just some {$this->action_type} stuff\n"; } } abstract class Action implements Action_Interface { abstract $action_type; public function __construct() { $this->testing_stuff(); $this->testing_more_stuff(); } abstract function testing_more_stuff(); } interface Action_Interface { function testing_stuff(); } $blah = new ThisAction;