public function remove($key)
	{
		if (isset($this->_object[$key]))
		{
			unset($this->_object[$key]);
			return true;
		}
		
		return false;
	}
public function remove($key)
	{
		if (isset($this->_object[$key]))
		{
			unset($this->_object[$key]);
			return true;
		}
		
		return false;
	}
public function remove ( $ key ) { if ( isset ( $ this -> _object [ $ key ] ) ) { unset ( $ this -> _object [ $ key ] ) ; return true ; } return false ; }
Removes a key from this object

@param string $key
@return boolean
Removes a key from this object