OOP — Trait

trait Loggable {
    public function log(string $message): void {
        echo '[' . date('Y-m-d H:i:s') . '] ' . $message . PHP_EOL;
    }
}

class Order {
    use Loggable;

    public function ship(): void {
        $this->log('Order shipped');
    }
}

class User {
    use Loggable;   // একই trait, একটি অসম্পর্কিত ক্লাস

    public function register(): void {
        $this->log('User registered');
    }
}

class Order {
    use Loggable, Cacheable, Notifiable;
}