Php/docs/splsubject.attach

• PHP Manual
• SplSubject
• Attach an SplObserver

SplSubject::attach

(PHP 5 >= 5.1.0, PHP 7)

SplSubject::attach — Attach an SplObserver

说明

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

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。