protected function refreshToken()
    {
        $token = $this->authorization->getApi()
                                     ->getAuthorizerToken(
                                         $this->authorization->getAuthorizerCorpId(),
                                         $this->authorization->getAuthorizerPermanentCode()
                                     );

        $this->authorization->setAuthorizerAccessToken($token['access_token'], $token['expires_in'] - 1500);

        return $token['access_token'];
    }
protected function refreshToken()
    {
        $token = $this->authorization->getApi()
                                     ->getAuthorizerToken(
                                         $this->authorization->getAuthorizerCorpId(),
                                         $this->authorization->getAuthorizerPermanentCode()
                                     );

        $this->authorization->setAuthorizerAccessToken($token['access_token'], $token['expires_in'] - 1500);

        return $token['access_token'];
    }
protected function refreshToken ( ) { $ token = $ this -> authorization -> getApi ( ) -> getAuthorizerToken ( $ this -> authorization -> getAuthorizerCorpId ( ) , $ this -> authorization -> getAuthorizerPermanentCode ( ) ) ; $ this -> authorization -> setAuthorizerAccessToken ( $ token [ 'access_token' ] , $ token [ 'expires_in' ] - 1500 ) ; return $ token [ 'access_token' ] ; }
Refresh authorizer access token.

@return string
Refresh authorizer access token .