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。

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