LoggerPass.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\Component\HttpKernel\DependencyInjection;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\Log\Logger;
/**
* Registers the default logger if necessary.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
class LoggerPass implements CompilerPassInterface
{
/**
* {@inheritdoc}
*/
public function process(ContainerBuilder $container)
{
$container->setAlias(LoggerInterface::class, 'logger')
->setPublic(false);
if ($container->has('logger')) {
return;
}
$container->register('logger', Logger::class)
->setPublic(false);
}
}