public function getResponse($id)
	{
		foreach ($this->_responses as $response)
			if ($response->id == $id)
				return $response;

		return null;
	}
public function getResponse($id)
	{
		foreach ($this->_responses as $response)
			if ($response->id == $id)
				return $response;

		return null;
	}
public function getResponse ( $ id ) { foreach ( $ this -> _responses as $ response ) if ( $ response -> id == $ id ) return $ response ; return null ; }
Returns the specified response, or null if the response is not found
@param mixed $id the response "id"
@return mixed
Returns the specified response or null if the response is not found