Media($id, $name, $inStock, $price, $rating); $this->isbn = $isbn; $this->author = $author; $this->numberOfPages = $numberOfPages; } function display() { Media::display(); echo("ISBN: " . $this->isbn. "
"); echo("Author: " . $this->author. "
"); echo("Number of Pages: " . $this->numberOfPages. "
"); } // methods } ?>