$modelVideo->getVideoFromID($video_id);
$modelVideo->author()->name;
$modelVideo->getVideoFromID($video_id);
$modelVideo->likes()->checkIfUserVoted($user_id);
class h{private$e;function b($n,$c){$this->e[$n][]=$c;}function c($n){foreach($this->e[$n] as$c)call_user_func($c);}}
$hook = new h; // Creating a new object for Hook class
$hook->b('hook', function () {echo 'Hello, world!';}); // Creating the new hook
$hook->c('hook'); // Triggering all hooks that named 'hook'