SplObserver::update()
(PHP 5 >= 5.1.0, PHP 7)
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。