Classes List

Symfony\Component\HttpKernel\DependencyInjection\LazyLoadingFragmentHandler

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<?php

/* * 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 $containerRequestStack $requestStack$debug = false)
    {
        $this->container = $container;

        parent::__construct($requestStackarray(), $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);
    }
}