(PHP 5 >= 5.1.0, PHP 7)
Detach an observer
abstract public void SplSubject::detach ( SplObserver $observer )
Detaches an observer from the subject to no longer notify it of updates.
Parameters:
observer
The SplObserver to detach.
Returns:
No value is returned.
This function is currently not documented; only its argument list is available.
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