lib/TheTwelve/Foursquare/AuthenticationGateway.php
public function initiateLogin()
    {

        if (!$this->canInitiateLogin()) {
            throw new \RuntimeException(
            	'Unable to initiate login'
            );
        }

        $uri = $this->getAuthenticationUri();
        return $this->redirector->redirect($uri);

    }
public function initiateLogin()
    {

        if (!$this->canInitiateLogin()) {
            throw new \RuntimeException(
            	'Unable to initiate login'
            );
        }

        $uri = $this->getAuthenticationUri();
        return $this->redirector->redirect($uri);

    }
public function initiateLogin ( ) { if ( ! $ this -> canInitiateLogin ( ) ) { throw new \ RuntimeException ( 'Unable to initiate login' ) ; } $ uri = $ this -> getAuthenticationUri ( ) ; return $ this -> redirector -> redirect ( $ uri ) ; }
initiate the login process
@see https://developer.foursquare.com/overview/auth.html
@throws \RuntimeException
@return mixed
initiate the login process