Elgg\Di\ServiceProvider::resolveLoggerDependencies PHP Method

    protected function resolveLoggerDependencies($service_needed)
    {
        $svcs['hooks'] = new \Elgg\PluginHooksService();
        $svcs['logger'] = new \Elgg\Logger($svcs['hooks'], $this->config, $this->context);
        $svcs['hooks']->setLogger($svcs['logger']);
        $svcs['events'] = new \Elgg\EventsService();
        $svcs['events']->setLogger($svcs['logger']);
        if ($this->config->getVolatile('enable_profiling')) {
            $svcs['events']->setTimer($this->timer);
        }
        foreach ($svcs as $key => $service) {
            $this->setValue($key, $service);
        }
        return $svcs[$service_needed];
    }