SplObserver::update

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplObserver::update — Receive update from subject

Description

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

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

Warning

This function is currently not documented; only its argument list is available.

Parameters

subject: The SplSubject notifying the observer of an update.

Return Values

No value is returned.

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