SplObserver::update

(PHP 5 >= 5.1.0, PHP 7)

SplObserver::update — Receive update from subject

说明

abstract public SplObserver::update ( SplSubject $subject ) : void

This method is called when any SplSubject to which the observer is attached calls SplSubject::notify().

Warning

本函数还未编写文档，仅有参数列表。

参数

subject

The SplSubject notifying the observer of an update.

返回值

没有返回值。