{
$this->price = $par;
}
function getPrice()
{
echo $this->price . "<br/>";
}
function setTitle($par)
{
$this->title = $par;
}
function getTitle()
{
echo $this->title . " <br/>";
}
}
$physics = new Books();
$maths = new Books();
$chemistry = new Books();
$physics->setTitle("Physics for High School");
$chemistry->setTitle("Advanced Chemistry");
$maths->setTitle("Algebra");
$physics->setPrice(10);
$chemistry->setPrice(15);
$maths->setPrice(7);
$physics->getTitle();
$chemistry->getTitle();
$maths->getTitle();
$physics->getPrice();
$chemistry->getPrice();
$maths->getPrice();
