The SplSubject interface
(PHP 5 >= 5.1.0, PHP 7)
简介
The SplSubject interface is used alongside SplObserver to implement the Observer Design Pattern.
接口摘要
SplSubject
{
/* 方法 */
}Table of Contents
- SplSubject::attach — Attach an SplObserver
- SplSubject::detach — Detach an observer
- SplSubject::notify — Notify an observer