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SPL

SplObserver (interface)

The SplObserver interface

Introduction

(PHP 5 >= 5.1.0, PHP 7)

The SplObserver interface is used alongside SplSubject to implement the Observer Design Pattern.

Interface synopsis

SplObserver {

/* Methods */

abstract public void update ( SplSubject $subject )

}

Table of Contents

  • SplObserver::update — Receive update from subject

← ArrayObject::unserialize

SplObserver::update →

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https://secure.php.net/manual/en/class.splobserver.php