The SplSubject interface

(PHP 5 >= 5.1.0, PHP 7)

���

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

�ӿ�ժҪ

SplSubject {
/* ���� */
abstract public attach ( SplObserver $observer ) : void
abstract public detach ( SplObserver $observer ) : void
abstract public notify ( void ) : void
}

Table of Contents