/usr/share/php/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExceptionListenerPass.php is in php-symfony-twig-bundle 2.3.21+dfsg-4+deb8u3.
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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\Bundle\TwigBundle\DependencyInjection\Compiler;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
/**
* Registers the Twig exception listener if Twig is registered as a templating engine.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ExceptionListenerPass implements CompilerPassInterface
{
public function process(ContainerBuilder $container)
{
if (false === $container->hasDefinition('twig')) {
return;
}
// register the exception controller only if Twig is enabled
$engines = $container->getParameter('templating.engines');
if (!in_array('twig', $engines)) {
$container->removeDefinition('twig.exception_listener');
}
}
}
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