}
function after()
{
foreach ($this->RectDecorators as $key => $de) {
$de->after();
}
}
}
interface Derecotor
{
function before();
function after();
}
class RectDecorator implements Derecotor
{
function before()
{
echo 'rect decorator before<br>';
}
function after()
{
echo 'rect decorator after<br>';
}
}
$rect = new rect();
$rect->trigger();
$de1 = new RectDecorator();
$de2 = new RectDecorator();
$rect->addDecorator($de1);
$rect->addDecorator($de2);
$rect->trigger();
<?php require "poly.php"; $rect = new rect(7, 5); echo "<p>", $rect->getArea(), "</p>";
