/usr/share/php/Symfony/Component/HttpKernel/DependencyInjection/LazyLoadingFragmentHandler.php is in php-symfony-http-kernel 3.4.6+dfsg-1.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\DependencyInjection;
use Psr\Container\ContainerInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Fragment\FragmentHandler;
/**
* Lazily loads fragment renderers from the dependency injection container.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class LazyLoadingFragmentHandler extends FragmentHandler
{
private $container;
/**
* @deprecated since version 3.3, to be removed in 4.0
*/
private $rendererIds = array();
private $initialized = array();
/**
* @param ContainerInterface $container A container
* @param RequestStack $requestStack The Request stack that controls the lifecycle of requests
* @param bool $debug Whether the debug mode is enabled or not
*/
public function __construct(ContainerInterface $container, RequestStack $requestStack, $debug = false)
{
$this->container = $container;
parent::__construct($requestStack, array(), $debug);
}
/**
* Adds a service as a fragment renderer.
*
* @param string $name The service name
* @param string $renderer The render service id
*
* @deprecated since version 3.3, to be removed in 4.0
*/
public function addRendererService($name, $renderer)
{
@trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0.', __METHOD__), E_USER_DEPRECATED);
$this->rendererIds[$name] = $renderer;
}
/**
* {@inheritdoc}
*/
public function render($uri, $renderer = 'inline', array $options = array())
{
// BC 3.x, to be removed in 4.0
if (isset($this->rendererIds[$renderer])) {
$this->addRenderer($this->container->get($this->rendererIds[$renderer]));
unset($this->rendererIds[$renderer]);
return parent::render($uri, $renderer, $options);
}
if (!isset($this->initialized[$renderer]) && $this->container->has($renderer)) {
$this->addRenderer($this->container->get($renderer));
$this->initialized[$renderer] = true;
}
return parent::render($uri, $renderer, $options);
}
}
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