SplSubject

interface SplSubject (View source)

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

Methods

void
attach(SplObserver $observer)

Attach an SplObserver

void
detach(SplObserver $observer)

Detach an observer

void
notify()

Notify an observer

Details

at line 2029
void attach(SplObserver $observer)

Attach an SplObserver

Parameters

SplObserver $observer

The SplObserver to attach.

Return Value

void

at line 2040
void detach(SplObserver $observer)

Detach an observer

Parameters

SplObserver $observer

The SplObserver to detach.

Return Value

void

at line 2048
void notify()

Notify an observer

Return Value

void