ManaPHP\Http\Request::getAccessToken PHP Метод

    public function getAccessToken()
    {
        if ($this->has('access_token')) {
            return $this->get('access_token');
        } elseif ($this->hasServer('X_ACCESS_TOKEN')) {
            return $this->getServer('X_ACCESS_TOKEN');
        } else {
            $authorization = null;
            if (function_exists('getallheaders')) {
                $headers = getallheaders();
                if (isset($headers['Authorization'])) {
                    $authorization = $headers['Authorization'];
                }
            } else {
                $authorization = $this->getHeader('Authorization');
            }
            if ($authorization) {
                $parts = explode(' ', $authorization, 2);
                if ($parts[0] === 'Bearer' && count($parts) === 2) {
                    return $parts[1];
                }
            }
        }
        return null;
    }