Analogic\ACME\Client::curl PHP Метод

    private function curl($method, $url, $data = null)
    {
        $headers = array('Accept: application/json', 'Content-Type: application/json');
        $handle = curl_init();
        curl_setopt($handle, CURLOPT_URL, preg_match('~^http~', $url) ? $url : $this->base . $url);
        curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($handle, CURLOPT_HEADER, true);
        // DO NOT DO THAT!
        // curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, false);
        // curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, false);
        switch ($method) {
            case 'GET':
                break;
            case 'POST':
                curl_setopt($handle, CURLOPT_POST, true);
                curl_setopt($handle, CURLOPT_POSTFIELDS, $data);
                break;
        }
        $response = curl_exec($handle);
        if (curl_errno($handle)) {
            throw new \RuntimeException('Curl: ' . curl_error($handle));
        }
        $header_size = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
        $header = substr($response, 0, $header_size);
        $body = substr($response, $header_size);
        $this->lastHeader = $header;
        $this->lastCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
        $data = json_decode($body, true);
        return $data === null ? $body : $data;
    }