}
}
trait World
{
    public function sayWorld()
    {
        echo "Mundo";
    }
}
class View
{
    use Hello, World;
}
$view = new View();
$view->sayHello();
$view->sayWorld();
// exibe: Olá Mundo
?>


<?php 
final class ClasseBase
{
    public function teste()
    {
        echo "ClasseBase::teste() chamado\n";
    }
    public final function maisTeste()
    {
        echo "ClasseBase::maisTeste() chamado\n";
    }