SplSubject::attach

PHP function Edit on GitHub ✎

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

Attach an SplObserver

Description

SplSubject::attach(SplObserver $observer): void

Attaches an SplObserver so that it can be notified of updates.

Func

Void

Source: reference/spl/splsubject/attach.xml · from the official PHP manual (php/doc-en)

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