Detailed explanation of new features of PHP: anonymous class

This article mainly shares with you a detailed explanation of the new features of PHP, the anonymous class, and I hope it can help you.

Code

<?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());?>

Result

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

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Introduction to new features such as anonymous classes, import classes and closure usage in php7

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