private function loadDriver(ContainerBuilder $container, $driver)
    {
        if (in_array($driver, $this->loadedDrivers)) {
            return;
        }

        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load($driver.'.xml');
        $this->loadedDrivers[] = $driver;
    }
private function loadDriver(ContainerBuilder $container, $driver)
    {
        if (in_array($driver, $this->loadedDrivers)) {
            return;
        }

        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load($driver.'.xml');
        $this->loadedDrivers[] = $driver;
    }
private function loadDriver ( ContainerBuilder $ container , $ driver ) { if ( in_array ( $ driver , $ this -> loadedDrivers ) ) { return ; } $ loader = new XmlFileLoader ( $ container , new FileLocator ( __DIR__ . '/../Resources/config' ) ) ; $ loader -> load ( $ driver . '.xml' ) ; $ this -> loadedDrivers [ ] = $ driver ; }
Makes sure a specific driver has been loaded.

@param ContainerBuilder $container
@param string           $driver
Makes sure a specific driver has been loaded .