现在可以使用新类定义匿名类.可以使用匿名类代替完整的类定义.
示例
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");?>
它产生以下浏览器输出 :
My first Log Message