匿名类现在可以使用 new class 来定义。匿名类可以使用来代替完整的类定义。
| <?php |
| interface Logger { |
| public function log(string $msg); |
| } |
| class Application { |
| private $logger; |
| public function getLogger(): Logger { |
| return $this->logger; |
| } |
| public function setLogger(Logger $logger) { |
| $this->logger = $logger; |
| } |
| } |
| $app = new Application; |
| $app->setLogger(new class implements Logger { |
| public function log(string $msg) { |
| print($msg); |
| } |
| }); |
| $app->getLogger()->log("My first Log Message"); |
| ?> |
My first Log Message
