<?php

class Brand {
    final function show() {
        echo "The Pepsi Generation\n";
    }
}

final class BrandX extends Brand {
}

$t = new Brand();
$t->show();

class BetterBrand extends BrandX {
    function show() {
        echo "Coke is better\n";
    }
}

$t = new BetterBrand();
$t->show();
?>