Introdução
    PHP Manual
    PHP Manual»Interfaces»SplSubject

    A interface SplSubject

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    A interface SplSubject é usada em conjunto com SplObserver para implementar o padrão de design Observer.

    interface SplSubject {
    /* Métodos */
    public function attach(SplObserver $observer): void
    public function detach(SplObserver $observer): void
    public function notify(): void
    }

    Índice

    PHP logo

    PHP is developed and maintained by a global community of contributors.

    The PHP Foundation helps fund this work. If PHP is part of your business or projects, consider sponsoring the Foundation.
    PHP

    Learn

    The PHP Foundation

    Legal

    Copyright © 2001 - 2026 the PHP Group. All Rights Reserved.
    To Top