} } 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"; }