The method `Book.getId` in PHP is used to retrieve the unique identifier of a book object. It returns the ID which can be used to uniquely identify the book within a database or system. The `getId` method is commonly used for accessing the book's ID when performing various operations such as updating, deleting, or querying the book's information.
PHP Book::getId - 30 examples found. These are the top rated real world PHP examples of Book::getId extracted from open source projects. You can rate examples to help us improve the quality of examples.