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ExceptionListenerPass.php
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ExceptionListenerPass.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\DependencyInjection\Compiler;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
/**
* Registers the Twig exception listener if Twig is registered as a templating engine.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
class ExceptionListenerPass implements CompilerPassInterface
{
public function process(ContainerBuilder $container)
{
if (false === $container->hasDefinition('twig')) {
return;
}
// to be removed in 5.0
// register the exception listener only if it's currently used, else use the provided by FrameworkBundle
if (null === $container->getParameter('twig.exception_listener.controller') && $container->hasDefinition('exception_listener')) {
$container->removeDefinition('twig.exception_listener');
return;
}
if ($container->hasParameter('templating.engines')) {
$engines = $container->getParameter('templating.engines');
if (\in_array('twig', $engines, true)) {
$container->removeDefinition('exception_listener');
return;
}
}
$container->removeDefinition('twig.exception_listener');
}
}