private $width;
private $height;
public function __construct($width, $height)
{
$this->width = $width;
$this->height = $height;
}
public function calcArea()
{
return $this->width * $this->height;
}
}
$circ = new Circle(3);
$rect = new Rectangle(3, 4);
// <?= is the shortcut for <?php echo
?>
<?php
echo $circ->calcArea();
?>
<br/>
<?php
echo $rect->calcArea();
?>
