function areaVerifier(Rectangle $r)
{
$r->setWidth(5);
$r->setHeight(4);
if ($r->area() != 20) {
return false;
}
return true;
}
echo ", and its area is " . $this->_shape->getArea() . ".</p>";
}
}
$myCircle = new Circle();
$myCircle->setColor("red");
$myCircle->fill();
$myCircle->setRadius(4);
$mySquare = new Square();
$mySquare->setColor("green");
$mySquare->makeHollow();
$mySquare->setSideLength(3);
$info = new ShapeInfo();
$info->setShape($myCircle);
$info->showInfo();
// Displays "The shape's color is red, and its area is 50.2654824574."
$info->setShape($mySquare);
$info->showInfo();
// Displays "The shape's color is green, and its area is 9."
$myRect = new Rectangle();
$myRect->setColor("yellow");
$myRect->fill();
$myRect->setWidth(4);
$myRect->setHeight(5);
$info->setShape($myRect);
$info->showInfo();
// Displays "The shape's color is yellow, and its area is 20."
?>
</body>
</html>
public function __construct($height)
{
parent::setHeight($height);
parent::setWidth($height);
}
