Using param()

Author: ThomasLandauer

logging/channels_handlers.rst

@@ -84,7 +84,7 @@ from the ``security`` channel. The following example does that only in the
             if ('prod' === $container->env()) {
                 $monolog->handler('security')
                     ->type('stream')
-                    ->path('%kernel.logs_dir%/security.log')
+                    ->path(param('kernel.logs_dir') . \DIRECTORY_SEPARATOR . 'security.log')
                     ->channels()->elements(['security']);
 
                 $monolog->handler('main')