php-phpbb/phpBB/config/event.yml

services:
    dispatcher:
        class: phpbb\event\dispatcher
        arguments:
            - @service_container

    hook_finder:
        class: phpbb\hook\finder
        arguments:
            - %core.root_path%
            - %core.php_ext%
            - @cache.driver

    kernel_request_subscriber:
        class: phpbb\event\kernel_request_subscriber
        arguments:
            - @ext.manager
            - %core.root_path%
            - %core.php_ext%
        tags:
            - { name: kernel.event_subscriber }

    kernel_exception_subscriber:
        class: phpbb\event\kernel_exception_subscriber
        arguments:
            - @template
            - @user
        tags:
            - { name: kernel.event_subscriber }

    kernel_terminate_subscriber:
        class: phpbb\event\kernel_terminate_subscriber
        tags:
            - { name: kernel.event_subscriber }

    symfony_response_listener:
        class: Symfony\Component\HttpKernel\EventListener\ResponseListener
        arguments:
            - UTF-8
        tags:
            - { name: kernel.event_subscriber }