vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle/Extension/AssetsExtension.php

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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\Bundle\TwigBundle\Extension;

use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Routing\RequestContext;

@trigger_error('The '.__NAMESPACE__.'\AssetsExtension class is deprecated since version 2.7 and will be removed in 3.0. Use the Symfony\Bridge\Twig\Extension\AssetExtension class instead.', E_USER_DEPRECATED);

/**
 * Twig extension for Symfony assets helper.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @deprecated since 2.7, to be removed in 3.0. Use Symfony\Bridge\Twig\Extension\AssetExtension instead.
 */
class AssetsExtension extends \Twig_Extension
{
    private $container;
    private $context;

    public function __construct(ContainerInterface $container, RequestContext $requestContext = null)
    {
        $this->container = $container;
        $this->context = $requestContext;
    }

    /**
     * Returns a list of functions to add to the existing list.
     *
     * @return array An array of functions
     */
    public function getFunctions()
    {
        return array(
            new \Twig_SimpleFunction('asset', array($this, 'getAssetUrl')),
            new \Twig_SimpleFunction('assets_version', array($this, 'getAssetsVersion')),
        );
    }

    /**
     * Returns the public path of an asset.
     *
     * Absolute paths (i.e. http://...) are returned unmodified.
     *
     * @param string           $path        A public path
     * @param string           $packageName The name of the asset package to use
     * @param bool             $absolute    Whether to return an absolute URL or a relative one
     * @param string|bool|null $version     A specific version
     *
     * @return string A public path which takes into account the base path and URL path