SplObserver::update

(PHP 5 >= 5.1.0, PHP 7)

SplObserver::update — Receive update from subject

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

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

Warning

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subject

The SplSubject notifying the observer of an update.

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