SplObserver::update
(PHP 5 >= 5.1.0, PHP 7)
SplObserver::update — Receive update from subject
Description
abstract 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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https://www.php.net/manual/en/splobserver.update.php