Online PHP editor | output for tpunF

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