getParameter('kernel.debug')) { return; } $twigDefinition = $container->getDefinition('twig'); $twigDefinition ->addMethodCall('registerUndefinedFilterCallback', [[new Reference('twig.missing_extension_suggestor'), 'suggestFilter']]) ->addMethodCall('registerUndefinedFunctionCallback', [[new Reference('twig.missing_extension_suggestor'), 'suggestFunction']]) ->addMethodCall('registerUndefinedTokenParserCallback', [[new Reference('twig.missing_extension_suggestor'), 'suggestTag']]) ; } }