SplSubject::attach

(PHP 5 >= 5.1.0, PHP 7)

SplSubject::attachAttach an SplObserver

说明

abstract public void SplSubject::attach ( SplObserver $observer )

Attaches an SplObserver so that it can be notified of updates.

Warning

本函数还未编写文档,仅有参数列表。

参数

observer

The SplObserver to attach.

返回值

没有返回值。