class book {
private $title;
private $isbn;
private $copies;
public function __construct($isbn) {
$this->setIsbn($isbn);
$this->getTitle();
$this->getNumberCopies();
}
public function setIsbn($isbn) {
$this->isbn = $isbn;
}
public function getTitle() {
$this->title = "title";
print "Title: " . $this->title . "
}
public function getNumberCopies()
{
$this->copies = "5";
print "Number copies available: " . $this->copies."
}
}
$book = new book("1111");
?>