Введение
    PHP Manual
    PHP Manual»Интерфейсы»SplSubject

    Интерфейс SplSubject

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

    Интерфейс SplSubject используется совместно с SplObserver для реализации шаблона проектирования Наблюдатель (Observer).

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

    Содержание

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