SplSubject::attach

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplSubject::attach — Attach an SplObserver

說(shuō)明

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

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

警告

本函數(shù)還未編寫(xiě)文檔，僅有參數(shù)列表。

參數(shù)

observer

The SplObserver to attach.

返回值

沒(méi)有返回值。