How and why use curly braces: return $this->{$this->action}();

Question

so in first part i made 2 object, instantiate two classes (one we generate from createController function)

$loader = new Loader(); 
$controller = $loader->cre         


        

Answer 1

You can simply put the $this->action in another local variable and then, call it:

$action = $this->action;
$this->$action();