chobie\Jira\Api\Client\PHPClient::sendRequest PHP Method

    public function sendRequest($method, $url, $data = array(), $endpoint, AuthenticationInterface $credential, $is_file = false, $debug = false)
    {
        if (!$credential instanceof Basic && !$credential instanceof Anonymous) {
            throw new \InvalidArgumentException(sprintf('PHPClient does not support %s authentication.', get_class($credential)));
        }
        $header = array();
        if (!$credential instanceof Anonymous) {
            $header[] = 'Authorization: Basic ' . $credential->getCredential();
        }
        if (!$is_file) {
            $header[] = 'Content-Type: application/json;charset=UTF-8';
        }
        $context = array('http' => array('method' => $method, 'header' => implode("\r\n", $header), 'ignore_errors' => true));
        if ($method == 'POST' || $method == 'PUT' || $method == 'DELETE') {
            if ($is_file) {
                $filename = preg_replace('/^@/', '', $data['file']);
                $name = $data['name'] !== null ? $data['name'] : basename($filename);
                $boundary = '--------------------------' . microtime(true);
                $header[] = 'X-Atlassian-Token: nocheck';
                $header[] = 'Content-Type: multipart/form-data; boundary=' . $boundary;
                $__data = '--' . $boundary . "\r\n" . 'Content-Disposition: form-data; name="file"; filename="' . $name . "\"\r\n" . "Content-Type: application/octet-stream\r\n\r\n" . file_get_contents($filename) . "\r\n";
                $__data .= '--' . $boundary . "--\r\n";
            } else {
                $__data = json_encode($data);
            }
            $header[] = sprintf('Content-Length: %d', strlen($__data));
            $context['http']['header'] = implode("\r\n", $header);
            $context['http']['content'] = $__data;
        } elseif ($method == 'GET') {
            if (!is_array($data)) {
                throw new \InvalidArgumentException('Data must be an array.');
            }
            $url .= '?' . http_build_query($data);
        }
        // @codeCoverageIgnoreStart
        if (strpos($endpoint, 'https://') === 0 && !$this->isHttpsSupported()) {
            throw new \InvalidArgumentException('does not support https wrapper. please enable openssl extension');
        }
        // @codeCoverageIgnoreEnd
        list($http_code, $response, $error_message) = $this->doSendRequest($endpoint . $url, $context);
        // Check for 401 code before "$error_message" checking, because it's considered as an error.
        if ($http_code == 401) {
            throw new UnauthorizedException('Unauthorized');
        }
        if (!empty($error_message)) {
            throw new Exception(sprintf('Jira request failed: "%s"', $error_message));
        }
        if ($response === '' && !in_array($http_code, array(201, 204))) {
            throw new Exception('JIRA Rest server returns unexpected result.');
        }
        // @codeCoverageIgnoreStart
        if (is_null($response)) {
            throw new Exception('JIRA Rest server returns unexpected result.');
        }
        // @codeCoverageIgnoreEnd
        return $response;
    }