Introduction
    PHP Manual
    PHP Manual»Interfaces»SplSubject

    L'interface SplSubject

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

    L'interface SplSubject est utilisée conjointement avec la classe SplObserver pour l'implémentation du patron de conception Observateur.

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

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