SplSubject (interface)
Introduction
(PHP 5 >= 5.1.0, PHP 7)
The SplSubject interface is used alongside SplObserver to implement the Observer Design Pattern.
Interface synopsis
SplSubject {
/* Methods */
abstract public void attach ( SplObserver $observer )abstract public void detach ( SplObserver $observer )abstract public void notify ( void )}
Table of Contents
- SplSubject::attach — Attach an SplObserver
- SplSubject::detach — Detach an observer
- SplSubject::notify — Notify an observer
← SplObserver::update
SplSubject::attach →
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