class Book
{
public $bookName;
public function getBookName()
{
return $this->bookName;
}
}
$book = new Book(); // 實例化類Book的壹個對象
$book->bookName = "PHP"; // 給實例$book的bookName屬性賦值
echo $book->bookName; // 按bookName屬性輸出書名
echo $book->getBookName(); // 按getBookName方法輸出書名