PHP新特性之匿名類詳解

本文主要和大家分享PHP新特性之匿名類詳解，希望能協助到大家。

代碼

<?phpinterface 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) {        echo $msg;    }});var_dump($app->getLogger());?>

結果

object(class@anonymous)#2 (0) {}