CakePHP: Get Client’s IP Address

in CakePHP 1.x Through the RequestHandler Component: RequestHandlerComponent::getClientIp(); in CakePHP 2.x RequestHandler::getClientIp() is deprecated, so you can use the CakeRequest object $this->request->clientIp();   of course you can still use the server variable   $_SERVER['REMOTE_ADDR']

PHP: client’s IP address

The IP Address of the client who sent HTTP request is stored in the server variable: $_SERVER['REMOTE_ADDR'];