src/RestClient.php
private function executeRequest(
        string $method,
        string $url,
        array $parameters = []
    ) {
        $parameters = $this->mergeDefaultParameters($parameters);

        $startTime = null;
        if ($this->isHistoryLogged()) {
            $startTime = microtime(true);
        }

        try {
            $response = $this->httpClient->request($method, $url, $parameters);
            $this->logRequest(
                $startTime,
                $method,
                $url,
                $parameters,
                $response
            );
        } catch (RequestException $e) {
            $this->logRequest(
                $startTime,
                $method,
                $url,
                $parameters,
                $e->getResponse()
            );
            throw $e;
        } catch (TransferException $e) {
            $this->logRequest($startTime, $method, $url, $parameters);
            throw $e;
        }

        $headers = $response->getHeaders();
        $jsonContentTypeList = ['application/ld+json', 'application/json'];

        $requestIsJson = false;

        if (isset($headers['Content-Type'])) {
            foreach ($jsonContentTypeList as $contentType) {
                if (
                    false !==
                    mb_stripos($headers['Content-Type'][0], $contentType)
                ) {
                    $requestIsJson = true;
                    break;
                }
            }
        }

        if ($requestIsJson) {
            return json_decode((string) $response->getBody(), true);
        } else {
            return $response;
        }
    }
private function executeRequest(
        string $method,
        string $url,
        array $parameters = []
    ) {
        $parameters = $this->mergeDefaultParameters($parameters);

        $startTime = null;
        if ($this->isHistoryLogged()) {
            $startTime = microtime(true);
        }

        try {
            $response = $this->httpClient->request($method, $url, $parameters);
            $this->logRequest(
                $startTime,
                $method,
                $url,
                $parameters,
                $response
            );
        } catch (RequestException $e) {
            $this->logRequest(
                $startTime,
                $method,
                $url,
                $parameters,
                $e->getResponse()
            );
            throw $e;
        } catch (TransferException $e) {
            $this->logRequest($startTime, $method, $url, $parameters);
            throw $e;
        }

        $headers = $response->getHeaders();
        $jsonContentTypeList = ['application/ld+json', 'application/json'];

        $requestIsJson = false;

        if (isset($headers['Content-Type'])) {
            foreach ($jsonContentTypeList as $contentType) {
                if (
                    false !==
                    mb_stripos($headers['Content-Type'][0], $contentType)
                ) {
                    $requestIsJson = true;
                    break;
                }
            }
        }

        if ($requestIsJson) {
            return json_decode((string) $response->getBody(), true);
        } else {
            return $response;
        }
    }
Executes request.

@return ResponseInterface|array

@throws TransferException