public function detach(ObserverInterface $observer)
	{
		foreach ($this->observers as $key => $value) {
			if ($value === $observer) {
				unset($this->observers[$key]);

				return true;
			}
		}

		return false;
	}
public function detach(ObserverInterface $observer)
	{
		foreach ($this->observers as $key => $value) {
			if ($value === $observer) {
				unset($this->observers[$key]);

				return true;
			}
		}

		return false;
	}
public function detach ( ObserverInterface $ observer ) { foreach ( $ this -> observers as $ key => $ value ) { if ( $ value === $ observer ) { unset ( $ this -> observers [ $ key ] ) ; return true ; } } return false ; }
Returns true if the observer is detached successfully.

@param ObserverInterface $observer
@return bool true if the observer is detached successfully.
Returns true if the observer is detached successfully .