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AddEventAliasesPass.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\EventDispatcher\DependencyInjection; use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; use Symfony\Component\DependencyInjection\ContainerBuilder; /** * This pass allows bundles to extend the list of event aliases. * * @author Alexander M. Turek <me@derrabus.de> */ class AddEventAliasesPass implements CompilerPassInterface { private array $eventAliases; public function __construct(array $eventAliases) { $this->eventAliases = $eventAliases; } public function process(ContainerBuilder $container): void { $eventAliases = $container->hasParameter('event_dispatcher.event_aliases') ? $container->getParameter('event_dispatcher.event_aliases') : []; $container->setParameter( 'event_dispatcher.event_aliases', array_merge($eventAliases, $this->eventAliases) ); } }