/**
* Detaches an observer from the subject to no longer notify it of updates
*
* @param SplObserver $observer Instance of SplObserver to detach
*
* @return PHP_CompatInfo
*/
public function detach(SplObserver $observer)
{
$id = $observer->getHash();
if (isset($this->_observersId[$id])) {
$this->_observers->detach($observer);
unset($this->_observersId[$id]);
}
return $this;
}
