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PHP 观察者模式_PHP教程

程序员文章站 2022-05-28 13:50:16
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 Observed   
     ->_observers = 
      attach(SplObserver ->_observers->attach(
      detach(SplObserver ->_observers->detach(
     (->_observers  ->showMessage(
      setName(->_name = ->
      ->
      setAge(->age = (->_observers  ->showAge(->_name,->
 Observer 
      showMessage(SplSubject  = ->(==='admin' '您好, ',,'欢迎您进入管理后台
' "你好, '' 你已经被添加到了用户列表
" update(SplSubject showAge(, " 的年龄是: ')" = Observed(); = Observer(); ->attach(); ->setName('张三'); notify(); * 通过调用 $this->notify()就会调用 $observer->showMessage($this)方法, * 即每个观察者对象的 showMessage($obj)方法; ->setName('admin'->setAge(24);

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/440273.htmlTechArticleObserved -_observers = attach(SplObserver -_observers-attach( detach(SplObserver -_observers-detach( ( -_observers -showMessage( setName( -_name = - - setAge( -age = ( -_observers...