View file phpBB3/config/default/container/services_module.yml

services:
    module.manager:
        class: phpbb\module\module_manager
        arguments:
            - '@cache.driver'
            - '@dbal.conn'
            - '@ext.manager'
            - '%tables.modules%'
            - '%core.root_path%'
            - '%core.php_ext%'