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The SplSubject interface

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The SplSubject interface is used alongside SplObserver to implement the Observer Design Pattern.

Intro

The SplSubject interface is used alongside SplObserver to implement the Observer Design Pattern.

Interfacesynopsis

implements SplSubject { }

Splsubject

In this section

SplSubject::attach

Attach an SplObserver

SplSubject::detach

Detach an observer

SplSubject::notify

Notify an observer

Source: reference/spl/splsubject.xml · from the official PHP manual (php/doc-en)