superdesk / contentapi-sdk-php

        }

        $responseObj = json_decode($response);

        if (is_null($jsonObj) || json_last_error() !== JSON_ERROR_NONE) {

            throw new AuthenticationException('Authentication response body is not (valid) json.', json_last_error());

        }

        if ($responseObj->access_token && $responseObj->refresh_token) {

            $this->access_token = $responseObj->access_token;

        }

        $responseObj = json_decode($response['body']);

        if (is_null($responseObj) || json_last_error() !== JSON_ERROR_NONE) {

            throw new AuthenticationException('Authentication response body is not (valid) json.', json_last_error());

        }

        if (property_exists($responseObj, 'access_token') && property_exists($responseObj, 'refresh_token')) {

            $this->accessToken = $responseObj->access_token;

    public static function getValidJsonObj($jsonString)

    {

        $jsonObj = json_decode($jsonString);

        if (is_null($jsonObj) || json_last_error() !== JSON_ERROR_NONE) {

            throw new InvalidDataException('Response body is not (valid) json.', json_last_error());

        }

        return $jsonObj;

    }