Services\ServiceManager::getService PHP Метод

    public function getService($name)
    {
        if (!array_key_exists($name, $this->services)) {
            if (isset($this->service_config[$name])) {
                $class_name = $this->service_config[$name]['service_class'];
                $service = $class_name::load();
                if (!$service instanceof Service) {
                    throw new \Exception("Invalid service class: '{$class_name}'");
                }
                $this->services[$name] = $service;
            } else {
                $this->services[$name] = null;
            }
        }
        return $this->services[$name];
    }

 public function getService($name)
 {
     if (@$this->mocked_services[$name]) {
         return $this->mocked_services[$name];
     } else {
         return parent::getService($name);
     }
 }